11 letters · 25 points in Scrabble
noun an uninflected function word that serves to conjoin words or phrases or clauses or sentences
adjective serving or tending to connect
adjective involving the joint activity of two or more
originFrom Latin coniunctivus (“serving to connect”), from coniunctus, past participle of coniungere; compare conjoin. From late 15th c; grammatical sense from 1660s.
Etymology from Wiktionary, CC BY-SA 3.0