The story
- Proto-Germanic · derived from*twiskaz“twofold, double”
- Middle English · inherited fromatwix, atwixen
- English todayatwix
From Middle English atwix, atwixen, from a- + twix, twixt ("among"), from a- + tweox (“twofold”), from Proto-Germanic *twiskaz (“twofold, double”).
Words from the same roots
Proto-Germanic*twiskaz all →
betwixttwixt
Etymology from Wiktionary, CC BY-SA 4.0.