10 letters · 17 points in Scrabble
adjective running or extending in the direction of the length of a thing
adverb in the direction of the length
originEtymology tree English length Proto-Indo-European *weyd- Proto-Indo-European *weyd-s-ós Proto-Germanic *wīsaz Proto-Germanic *-wīsaz Proto-West Germanic *-wīs Old English -wīs Middle English -wis English -wise English lengthwise From length + -wise.
Etymology from Wiktionary, CC BY-SA 3.0