aeruca
Could not find aerucam in Logeion dictionaries.
aerucam Noun: feminine accusative singular of aeruca
aerūca, ae, f. [aes],
- a kind of verdigris, Vitr. 7, 12.
aerūca, ae, f. (aes), künstlicher Grünspan (aerugo), Vitr. 7, 12, 1.
ærūca, æ, f. , vert-de-gris [fait artificiellement] : Vitr. Arch. 7, 12, 1.
aerūca, ae, f.: verderame Vitr.