πρόσφορον

From LSJ

ὁδὸς ἄνω κάτω μία καὶ ὡυτή → the road up and the road down is one and the same, the upward path and the downward path are the same

Source

Russian (Dvoretsky)

πρόσφορον: τό Arst. sing. к πρόσφορα I.