savant
noun /ˈsævənt/, /səˈvɑːnt/
/səˈvɑːnt/
(formal)- a person with great knowledge and ability
- a person who is less intelligent than others but who has particular unusual abilities that other people do not have see also idiot savant
Word Originearly 18th cent.: French, literally ‘knowing (person)’, present participle (used as a noun) of savoir.