adruo
ad-rŭo, ĕre, 3, v. a.,
- to scrape up, to heap up: terra adruenda, Varr. R. R. 1, 35.
ad-ruo, ere, aufschütten, terram, Varr. r.r. 1, 35, 1.
adrŭō, ĕre, tr., entasser [la terre] : Varro R. 1, 35, 1.