אָמְנָה

From LSJ

Νέος ὢν ἀκούειν τῶν γεραιτέρων θέλε → Audi libenter, ipse adhuc iuvenis, senes → Als junger Mann hör' gerne auf die Älteren

Menander, Monostichoi, 384

English (Strong)

feminine form of אֹ֫מֶן (in its usual sense); adverb, surely: indeed.
feminine of אֹ֫מֶן (in the specific sense of training); tutelage: brought up.