εὐχάριστος
αὐτὸν κέκρουκας τὸν βατῆρα τοῦ λόγου → you have struck the very threshold of the argument, you have struck the most important and chiefmost point
English (LSJ)
ον,
A agreeable, τινι τέχνη X.Oec.5.10 (Comp.); λόγοι Id.Cyr.2.2.1 (Sup.); -ότατα καὶ πιθανώτατα εἴρηκε Plb.12.28.11; εὐχάριστα acceptable gifts, AJA30.249 (Cypr.). Adv. -τως, τελευτᾶν τὸν βίον to die happily, Hdt.1.32. II grateful, thankful, X.Cyr.8.3.49 (Sup.), Inscr.Prien.103.8 (ii/i B.C.), Ep.Col.3.15, etc. Adv. -τως, διακεῖσθαι πρός τινα D.S.1.90; ἀποδιδόναι Ph.1.520; τῶν γεγονότων μνημονεύειν Plu.2.477f. III beneficent, θεοί UPZ41.13 (ii B.C.); title of Ptolemy V, OGI90.5 (Rosetta); τὸ τῆς ψυχῆς εὐ. D.S.18.28; βεβαιωτὴς (-ότης codd.) εὐχάριστος, of God, Ph.1.128 codd. (ἰσχυρότατος cj. Cohn).