βοστρύχον
From LSJ
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?
Russian (Dvoretsky)
βοστρύχον: τό
1) маленький локон, завитушка, кудряшка Anth.;
2) бот. виноградный усик Arst.