tsu.ar is a personal name used in identifying Nethanel as his son.

The supplied verses use this proper noun only as the personal name in the identification “son of Zuar,” distinguishing Nethanel in tribal leadership and offering contexts.

1. Personal name in Nethanel’s identification · dominant

   In Numbers 1:8 and Numbers 10:15, the form is tagged as a proper noun within the phrase identifying Nethanel as this person’s son. Numbers 2:5 identifies Nethanel as Issachar’s leader, while Numbers 7:18 and Numbers 7:23 retain the same identification in the account of his offering.

   Numbers 10:15Numbers 1:8Numbers 2:5Numbers 7:18Numbers 7:23

In the Anselm Project Bible: The APB consistently presents the name in the phrase “son of Zuar,” including where it identifies Nethanel as a leader or names his offering. This reflects the clause-level presentation rather than a separate English definition.