εἰ μὴ ἦλθον καὶ ἐλάλησα αὐτοῖς, ἁμαρτίαν οὐκ εἶχον → if I had not come and spoken to them, they would not be guilty of sin
lucto: āre,
I
v. the foll. init.
luctō, āre, c. luctor : Enn. Ann. 300 ; Pl. d. Non. 468, 32 ; Ter. Hec. 829 ; Varro L. 5, 61.
lucto, āvī, āre, s. luctora. E.