ἔντεχνος
From LSJ
Ἀναξαγόρας δύο ἔλεγε διδασκαλίας εἶναι θανάτου, τόν τε πρὸ τοῦ γενέσθαι χρόνον καὶ τὸν ὕπνον → Anaxagoras used to say that we have two teachers for death: the time before we were born and sleep | Anaxagoras said that there are two rehearsals for death: the time before being born and sleep
English (LSJ)
ον,
A within the range or province of art, αἱ πίστεις ἔντεχνόν ἐστι μόνον Arist.Rh. 1354a13. 2 furnished or invented by art, artificial, artistic, Pl. Prt.321d, al.; opp. ἄτεχνος, πίστεις Arist.Rh.1355b36; ἡ ἔ. μέθοδος the regular method, ib.a4. Adv. -ως Id.SE172a35 (condemned by Phryn.327 (who however cites Adv. -ῶς from Lys.Fr.314 S.)). II of persons, skilled, ἔ. δημιουργός a cunning workman, Pl.Lg.903c, cf. Plt.300e.