καὶ γάρ
From LSJ
Ἀλλ' ὑπ' ἐλπίδων ἄνδρας τὸ κέρδος πολλάκις διώλεσεν → But the profit-motive has destroyed many people in their hope for gain
English (LSJ)
A for also, for in fact, combining καί (in various senses) with γάρ, Il.3.188, Od.18.261, Hdt.3.15, etc.; also, for else, Arist.Pol. 1280a36: with strengthening Particles, κ. γ. δή for of a surety, Il. 16.810; in Ep., κ. γ. ῥα 1.113; in Att., κ. γ. καί, κ. γ. οὖν, Pl.Prt. 317c, X.An.1.9.8, etc.