Usage: 2 forms in 2 verses
Form Translated As     In Verse(s)
εύγνωστοσ well-known LXX.Prov.26.26
εύγνωστοι well-known LXX.Prov.5.6

Liddell-Scott-Jones

εὔγνωστος (eugnōstos) well-known G:A

εὔγνωστος, ον,

well-known, familiar, [Refs 5th c.BC+]; opposed to ἄγνωστος, [Refs 4th c.BC+]

__2 easy to discern, Refs 5th c.BC+; τὰ εὔ. καὶ εὐμαθῆ [Refs 5th c.BC+]: superlative, [Refs 4th c.BC+]; ὅτι.. [Refs 5th c.BC+]. adverb -τως, κρίνειν Theo Sm.p.65 H.