χαλκισμός
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)
ὁ,
A game played by spinning a copper coin, which was stopped by the finger before it fell, Poll.9.118, Eust.986.41, 1409.18.