cavusWiktionary 原文/ˈkeɪ.vəs/词源链原始词根原始印欧语Proto-Indo-European约前 4500–前 2500 年*ḱewh₁-拉丁语Latin约前 75–公元 3 世纪cavus‘a hollow, hole’↓ 借入英语Englishcavus词源说明Unadapted borrowing from Latin cavus (“a hollow, hole”). Doublet of cave and cavum.释义名词noun1(geology) In planetary geology, an irregular steep-sided depression that does not seem to be an impact crater.同族词相关词 1pes cavus同源异形词