betwixen

The story

1. Old English · inherited frombetweoxn“between”
2. English todaybetwixen

From Middle English, from Old English betweoxn (“between”), for earlier *betweoxum, *betwihsum, *betwiscum, from be- + dative plural of *twix, *twisc (“twofold”), from twā (“two”) + -isc (“-ish”), equivalent to be- + two + -ish.