1、vers- + -us(拉丁语后缀,显然该词直接源于拉丁语,没做任何变动).
2、含义:turned toward or against.
3. Latin versus "slope". => versant.
4. 山坡就是相对的、对立的。
英文词源
versant (adj.)
1640s, "busy" (with something), from Latin versantem (nominative versans), present participle of versare (see versus). Meaning "familiar, acquainted" is from 1787.