ĭn-albo — Lewis & Short
ĭn-albo and ind-albo, āre, v. a.,
I to make white or light, to whiten, brighten (ante- and post-class.): ut primum tenebris abjectis indalbabat, Enn. ap. Achill. Stat. ad Cat. 64, 40 (Ann. v. 219 Vahl.; perh. imitated by Appuleius;
v. inalbeo): cerei nocturnas tenebras inalbabant,App. M. 10, p. 248, 30.