In Hebrews 8:11 there are two different words, both translated "Know"
Hebrews 8:11
fn asba an,ajn ppro art,ad
11 (CWSB) And they shall not teach every man his
an,ajn ppro art,nn pap aima
neighbor, and every man his brother, saying,
art nn an,ajn ft
Know the Lord: for all shall know
γινώσκω εἴδω
ginṓskō eídō.
ppro pre an,ajn/(ppro)/() ad an,ajn/(ppro)/()
me, from the least to the greatest


γινώσκω
εἴδω

oida can mean simply “to know,” such as when Jesus “drove out many demons, but he would not let the demons speak because they knew who he was” (Mk. 1:34). It can indicate a deeper awareness of someone or something, as when Peter denies knowing Jesus at his trial (Mt. 26:72). It can carry the nuance of knowing in the sense of having ability: “If anyone does not know how to manage his own family, how can he take care of God’s church?” (1 Tim. 3:5). oida can also mean to come to know something in the sense of recognizing or experiencing something: “If you give thanks with your spirit, how can anyone in the position of an outsider say ‘Amen’ to your thanksgiving when he does not know what you are saying?” (1 Cor. 14:16). See NIDNTT-A, 402.

Here is Mounce on Ginosko
ginosko can also refer to a kind of mental assent—to know God and his will is to acknowledge the claim he has on one’s own life (and to agree with that claim). It is to take God’s law and apply it to one’s own life in experience/obedience (Rom. 1:32; 2:18; 7:1; 1 Cor. 8:2-3; cf., Jn. 7:49). Paul utilizes a play on words in Rom. 1 when he says that some “know” God’s just judgment (1:32), but they do not wish to “know” God (1:28). That is, the heathen have a knowledge of God that makes no difference in their activity; they have an intellectual awareness of his existence and perhaps even a belief that he exists, but they do not have a personal or intimate knowledge of him and do not have faith in him (Rom. 1:21-28). Thus, there is a sense in which true knowledge (of God) leads to action in keeping with obedience (2 Cor. 10:3-6).
John especially has a rich view of what it means to “know.” When Jesus says he knows his sheep and he knows the Father, he is speaking of an intimate relationship that involves deep feelings of love (Jn. 10:14-15). Such a relationship leads to obedience on our part (10:27). “Those who say, ‘I know him,’ but do not do what he commands are liars” (1 Jn. 2:4; cf. 3:6). In fact, Jesus defines eternal life as “knowing God and Jesus Christ,” which involves both faith in him and love for him (Jn. 17:3). By contrast, John makes it plain that the world “does not know” God (Jn. 17:25; 1 Jn. 3:1). See NIDNTT-A, 107-10.
Here is Mounce on Epiginosko
Verb: ejpiginwvskw (epiginosko), GK 2105 (S <G1921>), 44x. epiginosko can mean “to know, perceive, recognize, understand.”
epiginosko can have just the basic meaning “to know” and as such is synonymous with ginosko (“to know,” GK 1182), insofar as ginosko is often used for a general, basic, or earthly knowledge (2 Tim. 1:18; 3:1). The uses of epiginosko in Mk. 6:33, 54; Lk. 23:7; Acts 22:24; 23:28; 28:1 refer to merely recognizing someone or finding out some information.
There are other places, however, where epiginosko conveys a deeper sense of knowing as suggested by the prefix epi- (and therefore is different from ginosko). However, it is the context that confirms epiginosko is used with this deeper sense of knowing rather than merely being assumed. When Jesus tells the paralytic his sins are forgiven, he “perceives” that the scribes are thinking he has blasphemed; he knows their thoughts (Mk. 2:8). Jesus also proclaims that false prophets “will be recognized” by the fruit they produce (7:16, 20), which involves spiritual perception. This sort of knowledge is implied in Jesus’ reference to the intimate and exclusive knowledge between the Son and the Father—“no one knows the Son except the Father, and no one knows the Father except the Son” (Mt. 11:27). When the woman with the issue of blood is healed, Jesus “realizes” that power has gone out from him (Mk. 5:30). In his teaching on John the Baptist, Jesus proclaims that Elijah has already come, but the people have not “recognized” John for who he truly is (Mt. 17:12). In the Emmaus story, the disciples are prevented from “recognizing” Jesus until the moment he breaks the bread (Lk. 24:16, 31).
In the NT letters, epiginosko is often used for what people should understand or realize. Unbelievers should be able to “understand” God’s righteous decree that sinners deserve death (Rom. 1:32). Believers will “fully know” at the return of Jesus (1 Cor. 13:12), and believers also should be able to “understand God’s grace in all its truth” (Col. 1:6). Peter refers to knowing the way of righteousness (2 Pet. 2:21). See NIDNTT-A, 107-10.
Once you read the passage in Wuest, you get a heads up that Know is translated one way for one Greek word for Know and another way for another Greek word for know. After I researched that, this post took shape. Before this post I did a similar post on the same concept here.
This concludes the blog post
[1] Zodhiates, Spiros, ed. – The Complete Word Study New Testament Chattanooga, TN: AMG, 1991. WORDsearch CROSS e-book. |
[2] Zodhiates, Spiros. The Complete Word Study Dictionary – New Testament. Chattanooga, TN: AMG Publishers, 1993. WORDsearch CROSS e-book.
[3] Wuest, Kenneth S., trans. The New Testament: An Expanded Translation Grand Rapids, MI: Wlliam B. Eerdmans, 1961. Reprint, Grand Rapids, MI: Wlliam B. Eerdmans, 2002. WORDsearch CROSS e-book. [4] Mounce's Complete Expository Dictionary of Old and New Testament Words
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