flint
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 > Greek (Woodhouse)
subs.
Use stone. Flint for striking a spark: use P. and V. πυρεῖα, τά (which were pieces of wood, not stone) (Plat., Rep. 435A; Soph., Phil. 36). Rubbing flint against flint, I produced with labour a dim spark: V. ἀλλʼ ἐν πέτροισι πέτρον ἐκτρίβων μόλις ἔφηνʼ ἄφαντον φῶς (Soph., Phil. 296).