πυρπερέγχει
From LSJ
λέγεται δὲ καὶ κλῶνας αὐτῆς θύραις ἢ θυρίσι προστεθέντας ἀποκρούειν τὰς τῶν φαρμάκων κακουργίας → its branches attached to doors or windows are said to repel the evil of spells
English (LSJ)
A f.l. for πῦρ πῦρ ἔγχει in Cratin.18.