castor

castor · noun¹

1. Ancient Greek · derived fromκάστωρ
2. Latin · derived fromcastor“beaver”
3. Old French · derived fromcastor“beaver”
4. Middle French · borrowed fromcastor
5. English todaycastor

From Middle French castor, from Old French castor (“beaver”), from Latin castor (“beaver”), from Ancient Greek κάστωρ (kástōr), from Doric Greek κάστον (káston, “wood”).

castor · noun²

Named from Greek mythology; see Castor and Pollux. The name pollux was given to another mineral with which it was always found.

castor · noun³

Alternative spelling of caster, via cast + -or (the Latinate varient of -er).

Castor · proper noun⁴

1. Ancient Greek · derived fromκάστωρ“beaver”
2. Ancient Greek · derived fromΚάστωρ
3. English todayCastor

From Ancient Greek Κάστωρ (Kástōr), from Ancient Greek κάστωρ (kástōr, “beaver”).

Words from the same roots