ψῆγμα

A. that which is rubbed or scraped off, shavings, scrapings, chips, ψ. χρυσοῦ gold-dust, Hdt. 4.195; so without χρυσοῦ, Id. 1.93, 3.94 sq.; ψ. χρυσότευκτον Eub. 20; ψ. ἀργυρᾶ Inscr.Délos 442 B 89 (ii B.C.); πυρωθὲν ψ., of dust and ashes, A. Ag. 442 (lyr.); of wood, τὰ τῶν αἰγείρων ψ. Philostr. Im. 1.11; ἥλων ψ., = χαλκοῦ ἄνθος, Dsc. 5.77; μὴ διαλύεσθαι μέχρι ἐλαχίστου ψήγματος (of gum) Id. 3.22; of motes in a sunbeam, Arist. Cael. 313a20, cf. 304a21, Plu. 2.722a, and v. τίλα 11.