πτίσσω
From LSJ
ξύλον ἀγκύλον οὐδέποτ' ὀρθόν → a bent board is never straight
English (LSJ)
Pherecr.183, Ar.Fr.339, Att. πτίττω ib.271 (prob. l.), Luc.Herm.79, v.l. in Pherecr. l.c.: aor.
A ἔπτῐσα Hdt.2.92:—Pass., aor. ἐπτίσθην Gp.12.23.2, (περι-) Thphr.HP4.4.10: pf. ἔπτισμαι Hp.VM14, Arist.HA595b10:—winnow grain, Hp. l.c. (Pass.), Pherecr. l.c., etc.; πτισσουσῶν ᾠδή the song of women winnowing, Ar.Fr.339. II bray in a mortar, τὸ ἐκ μέσου τοῦ λωτοῦ Hdt. l.c., cf. D.L.9.59, Luc. l.c. (Cf. Lat. pinso, Skt. piná[snull ][tnull ]i 'pound'.)