Old English eorl

← Proto-Germanic *erlaz (inherited)

← Old High German erl (cognate)

← Old Norse jarl (cognate)

← Old Saxon erl (cognate)

→ English earl (inherited)

→ English jarl (cognate)

→ English eorl (learned borrowing)

→ Middle English erle (inherited)

→ Faroese jallur (mention)

→ Icelandic jarl (cognate)