The story
- Proto-Celtic · derived from*wolkos
- Proto-Brythonic · derived from*gwalx“hawk”
- Celtic · derived from
- Old Welsh · derived from[Term?]
- Old French · derived fromGauvain
- Middle English · inherited fromGawayne
- English todayGawain
From Middle English Gawayne, from Old French Gauvain, from Old Welsh [Term?], probably of Celtic origin, like many other characters from Arthurian legends, perhaps from Proto-Brythonic *gwalx (“hawk”) (from Proto-Celtic *wolkos) + *gwɨnn (“white”). Doublet of Gavin. More at Gawain.
Etymology from Wiktionary, CC BY-SA 4.0.