13 letters · 21 points in Scrabble
adverb in an idiomatic manner
originEtymology tree English idiomatic Proto-Italic *-ālis Latin -ālisbor. Old French -albor. ▲ Latin -ālis Old French -elbor. ▲ Latin -ālisbor. Middle English -al Middle English -ly Middle English -ally English -ally English idiomatically From idiomatic + -ally.
Etymology from Wiktionary, CC BY-SA 3.0