←
Proto-Germanic *swa (derived)
←
Proto-Germanic *swē (mention)
←
Proto-Germanic *sēaną (derived)
←
Proto-Indo-European *seh₁- (derived)
←
Old Norse svá (derived)
→
Old English swa (cognate)
→
Old English sawan (cognate)
→
Danish så at (compound)
→
Westrobothnian sä (mention)
→
Icelandic svo (mention)
→
Luxembourgish séien (cognate)