6 letters · 10 points in Scrabble
adverb far away from home or one's usual surroundings; - R.A.Hall
adverb in or into a field (especially a field of battle)
adverb off the subject; beyond the point at issue
originFrom Middle English afeld, a-felde, o felde, on felde, from Old English on felde (“afield”, literally “in (the) field”), equivalent to a- (“on”) + field.
Etymology from Wiktionary, CC BY-SA 3.0