IPA: /ˈjɪrnər/
KK: /jɪrnɚ/
A person who has a strong desire or longing for something.
She is a yearner for adventure and new experiences.
Yearner → It is formed from "year" (from Old English *geār*, meaning a period of twelve months) and "-er" (meaning a person who). A yearner is a person who has a strong desire or longing for something, often associated with the passage of time.
Think of someone who has a strong desire or longing for something over a period of 'years' — that's why a yearner is someone who yearns.