IPA: /ˈspɛʃəlɪst/
KK: /ˈspɛʃəlɪst/
A person who has a lot of knowledge or skill in a specific area or field, often in medicine or a particular profession.
The specialist was able to diagnose the rare disease quickly.
Specialist → It is formed from "special" (from Latin *specialis*, meaning particular or specific) and "-ist" (meaning one who practices or is concerned with). The word "specialist" refers to someone who is particularly skilled or knowledgeable in a specific area or field.
Think of someone who is particularly focused on a specific area of expertise — 'special' means particular, and '-ist' indicates a person who practices that specialty.