The story
- Late Latin · derived fromhērēditārium
- Old French · derived fromheritier
- Anglo-Norman · derived fromheriter
- Middle English · inherited fromheriter
- English todayheritor
From Middle English heriter, from Anglo-Norman heriter, Old French heritier, earlier eretier, eritier, from Late Latin hērēditārium (from the adjective hērēditārius (“hereditary”)), which took the place of hērēs (“heir”). In the 16th century conformed to agent nouns in -our, -or. By surface analysis, herit + -or.
Etymology from Wiktionary, CC BY-SA 4.0.