gracilesco
From LSJ
Latin > English (Lewis & Short)
grăcĭlesco: ĕre,
I v. inch. n. gracilis, to become slender, small (post-class.): obeliscus gracilescens, Amm. 17, 4: pyramidum magnitudo gracilescit paulatim, id. 22, 15.
Latin > French (Gaffiot 2016)
grăcĭlēscō, ĕre (gracilis), intr., devenir maigre, grêle : Amm. 17, 4, 7.