nigrico
From LSJ
δρυὸς πεσούσης πᾶς ἀνὴρ ξυλεύεται → when the oak falls, everyone cuts wood | when an oak has fallen, every man gathers wood | on the fall of an oak, every man gathers wood | when an oak has fallen, every man becomes a woodcutter | one takes advantage of somebody who has lost his strength | one takes advantage of somebody who has lost his power | when the tree is fallen, every man goes to it with his hatchet
Latin > English (Lewis & Short)
nī̆grĭco: āre, v. n. 1. niger,
I to be blackish (post-Aug.): epimelas fit, cum in candidā gemmā superne nigricat colos, Plin. 37, 10, 58 fin.; cf. Not. Tir. p. 128.—Hence, nĭgrĭcans, antis, P. a., blackish, swarthy: Tyrius color nigricans aspectu, Plin. 9, 38, 62, § 135; 36, 26, 66, § 193.