ἆρά γε λόγον ἔχει δυοῖν ἀρχαῖν, ὑλικῆς τε καὶ δραστικῆς → does it in fact have the function of two principles, the material and the active?
subs.
P. and V. ὄξος, τό.
Jar for vinegar: V. ὀξηρὸν ἄγγος (Soph., Frag.).