IPA: /oʊˈnɑlədʒɪst/
KK: /oʊˈnɑlədʒɪst/
A person who specializes in the study and science of wine and winemaking.
The oenologist carefully analyzed the grapes to determine the best time for harvest.
Oenologist → It is formed from "oinos" (Greek, meaning wine) and "-logist" (from Greek "logia", meaning study or science). An oenologist is someone who studies or specializes in wine.
Think of someone who studies 'wine' ('oinos') — that's what an oenologist does.