IPA: /ˈpeɪtrənɪs/
KK: /ˈpeɪtrənɪs/
A woman who supports or helps someone or something, often in a charitable or artistic way.
The art gallery was funded by a generous patroness who loved supporting local artists.
Patroness → It is formed from "patron" (from Latin "patronus", meaning protector or guardian) and the suffix "-ess" (meaning a female). The word "patroness" refers to a female protector or guardian.
Think of a 'protector' ('patron') who is female ('-ess') — that's what a patroness means.