French rogner

← Old French rooignier (inherited)

← Old French redognier (mention)

← Old French reoignier (mention)

← Latin *rotundiāre (mention)

← Latin rotundus (inherited)

← Old Occitan redonhar (cognate)

→ French rognure (suffix)

→ Galician roñar (cognate)

→ Romanian reteza (cognate)