←
Old English sēlra (cognate)
←
Proto-Germanic *sēliz (cognate)
←
Proto-Indo-European *swé (derived)
←
Proto-Indo-European *-los (mention)
←
Proto-Indo-European *solh₂- (mention)
←
Proto-Indo-European *sōlh₂- (derived)
→
Asturian solu (derived)
→
French seul (inherited)
→
Old French sol (inherited)
→
Istriot sulo (inherited)
→
Norwegian Bokmål solo (derived)
→
Norwegian Nynorsk solo (derived)
→
Romansch sul (inherited)