pronoun/kɛl.k‿œ̃/
one (out of several); someone, somebody, anyone, anybody; (colloquial) (a) somebody (someone singular or notable, i.e., who stands apart from most others in importance, skill, merit, etc.); some; some people, certain
“Il y a quelqu'un ici qui parle français ?” — Is there anybody here who speaks French?
Synonyms: un, l'un
Univerbation of quelque (“some”) + un (“one”). Akin to Italian qualcuno.