G0900
βαθύνω
to dig deep
βαθύνω (βαθύς), [in LXX for עמד: Psa.91 (92):5, Jer.29 (49):8 30(49)30 * ;] to deepen: Luk.6:48.† (AS)
Full Thayer's lexicon entry
βαθύνω — bathýnō
βαθύνω: (impf ἐβαθυνον); (βαθύς); to make deep: Luk 6:48, where ἔσκαψε καί ἐβάθυνε is not used for βαθέως ἔσκαψε, but ἐβάθυνε expresses the continuation of the work (he dug and deepened i. e. went deep); cf. Winers Grammar, § 54, 5. (In Greek writings from Homer down.)
1 occurrence