agglutination (n.) Look up agglutination at Dictionary.com
1540s, from Latin agglutinationem (nominative agglutinatio), noun of action from past participle stem of agglutinare "fasten with glue," from ad- "to" (see ad-) + glutinare "to glue," from gluten "glue," from PIE *glei- (see glue (n.)). Philological sense first recorded 1650s, in agglutinative.