←
Old English sǣ (cognate)
←
Proto-Germanic *saiwiz (inherited)
←
Old High German sēo (cognate)
←
Old Frisian sē (cognate)
←
Old Saxon sēo (cognate)
→
Old High German seo (cognate)
→
Icelandic sjór (derived)
→
Icelandic sær (derived)
→
Norwegian Bokmål sjø (mention)
→
Norwegian Nynorsk sjø (mention)
→
Old Norse sjór (mention)
→
Old Saxon seo (cognate)
→
Swedish sjö (inherited)