Meaning

noun abnormal union of bodily tissues; most common in the abdomen

noun a fibrous band of scar tissue that binds together normally separate anatomical structures

noun the property of sticking together (as of glue and wood) or the joining of surfaces of different composition

originEtymology tree Proto-Indo-European *h₂éd Proto-Italic *ad Proto-Italic *ad- Latin ad- Latin haereō Latin adhaereō Proto-Indo-European *-tis Proto-Indo-European *-Hō Proto-Indo-European *-tiHō Proto-Italic *-tiō Latin -tiō Latin adhaesiōnemlbor. French adhésionder. English adhesion From French adhésion, from Latin stem of adhaesio, from past participle of adhaerare.

Etymology from Wiktionary, CC BY-SA 3.0