olemus
isikunime üks või mitu individualiseerivat esiosa

Britannica:
part of a personal name that distinguishes an individual from other members of a group, clan, or family

ülevaateid
https://hinative.com/en-US/questions/12497324

https://www.w3.org/International/questions/qa-personal-names

https://en.wikipedia.org/wiki/Given_name

vt ka
- ainunimi
- kesknimi