The story
- Proto-Germanic · derived from*swellaną“to swell”
- Proto-Germanic · inherited from*swall
- Old English · inherited fromsweall
- Middle English · inherited fromswall
- English todayswoll
From Middle English swall, swal, from Old English sweall, from Proto-Germanic *swall, first and third person singular preterit of Proto-Germanic *swellaną (“to swell”).
Words from the same roots
Etymology from Wiktionary, CC BY-SA 4.0.