τετράσπαστος
From LSJ
πάτερ, ἄφες αὐτοῖς, οὐ γὰρ οἴδασιν τί ποιοῦσιν → father, forgive them, for they know not what they do
English (LSJ)
dub. l. et dub. sens., ἐλέφαντα ἐπριάμεθα τ. SIG247 ii 5 (Delph., iv B.C.); perhaps τετραστάσιον, in reference to the weight or size (cf. διστάσιος, τριστάσιος) of the piece of ivory.