7 letters · 9 points in Scrabble
noun a person's partner in marriage
noun an associate in an activity or endeavor or sphere of common interest
noun a person who is a member of a partnership
originFrom Middle English partener, partiner, alteration (due to Middle English part) of Middle English parcener, from Old French parçonier, parçonneour (“joint heir”) from parçon (“partition”), from Latin partītiōnem, singular accusative of partītiō (“portion”). The word may also represent Old French part tenour (“part holder”). Compare also Middle English partifere (“partner”), partifelewe…
Etymology from Wiktionary, CC BY-SA 3.0