adjoin
v.
c.1300, "unite, ally" from Old French ajoin- stem of ajoindre "join together, unite," from Latin adiungere "fasten on, harness, join to," from ad- "to" (see ad-) + iungere "to bind together" (see jugular). Meaning "be contiguous with, be adjacent to" is from late 14c. Related: Adjoined; adjoining.
〔李〕[ad-=to于；join=to join连接→“to join to与……相连”→] v. be next to and often connected with贴近；毗连