Meaning in the sources
Not establishedMeaning: “(“will” + “helmet”) + “immortal””
No etymology text in the cited sources.
Sources for this account (3)
- Wikidata Q60589737CC0-1.0 · retrieved 2026-10-15
- NameStoria: William (cited meaning “will + helmet”)see the cited name page · retrieved 2026-10-15
- NameStoria: Athanase (cited meaning “immortal”)see the cited name page · retrieved 2026-10-15

