There are multiple origins and translations for the name Leah:
1. Akkadian name means - "cow".
2. Hebrew (Jewish name לאה) in the sense of - "weary, tired; antelope".
Leah - the name of the wife of Jacob who was tricked by her father Laban into marrying her insted of her sister Rachel.
3. Old English name semantics - "meadow, clearing in a woodland, lea".
4. Comes from the Greek word (λεία) [lea] and translates as - "smooth".