Old Norse fjǫl-

← Proto-Germanic *felu (inherited)

← Proto-Indo-European *pelh₁- (root)

→ Old English fela (cognate)

→ Old High German filu (cognate)

→ Icelandic fjöl- (derived)

→ Old Norse fjǫlga (mention)

→ Old Norse fjǫlga (link)

→ Old Norse fjǫlhǫfðaðr (affix)

→ Old Norse fjǫlmennr (compound)