στιφρός
From LSJ
τὸν αὐτὸν ἔρανον ἀποδοῦναι → pay him back in his own coin, repay him in his own coin, pay someone back in their own coin, pay back in someone's own coin, give tit for tat, pay back in kind
English (LSJ)
ά, όν,
A firm, solid, Men. in POxy.1803.1, al.; of olives, Ar. Fr.141; σκέλη X.Cyn.4.1, cf. 5.30; πλεκτάνη Crobyl.7; καυλὸς σαρκώδης καὶ σ. Arist.HA510b28; of wood, Thphr.HP3.11.4, 5.1.11 (Comp.); opp. μαδαρός, of flesh, Arist.HA531b13; opp. ὑγρός, Id.GA735b18; opp. σομφός, ib.732b35; τὸ τῶν βατράχων ᾠὸν στερεὸν καὶ σ. ib.754a34; of persons, stout, sturdy, νεανίας Philostr.Jun.Im. 15, cf. 1,3.—στρυφνός is a freq. v.l.