7 letters · 9 points in Scrabble
adjective of or relating to or located at the base
originBorrowing from New Latin basilāris, irregularly from basis (“a pedestal, foot, base”) + -āris (“-ar, -ary”, adjectival suffix); or from French basilaire, from base (“base, basis”) + -aire (“-ar, -ary”, adjectival suffix), in the pattern of cimbalaire (“cymbal-shaped”).
Etymology from Wiktionary, CC BY-SA 3.0