Old French -eor

← Proto-Indo-European *-tōr (inherited)

← Proto-Indo-European (mention)

← Proto-Italic *-tōr (inherited)

← Latin -ātor (inherited)

← Latin -tor (mention)

→ English -er (mention)

→ Middle English -our (borrowed)

→ French -eur (inherited)

→ French trouvère (mention)

→ French trouveur (mention)

→ Middle French -eur (mention)

→ Old French -or (alter)

→ Old French norrisseor (affix)

→ Dutch -eur (derived)

→ Norman -eux (inherited)