לָבַב

From LSJ

τὰν ἐπὶ τᾶς → Either with this or on this | Come back victorious or dead

Plutarch, Moralia, 241

English (Strong)

a primitive root; properly, to be enclosed (as if with fat); by implication (as denominative from לֵבָב) to unheart, i.e. (in a good sense) transport (with love), or (in a bad sense) stultify; also (as denominative from לְבִבוֹת) to make cakes: make cakes, ravish, be wise.