Proto-West Germanic origin
Source-reportedMeaning: “old” + “strength”
From Proto-West Germanic *Aldaþrūþi, from *ald (“old”) + *þrūþi (“strength”). Equivalent to eald + þrȳþ. Cognate with Old High German Altdrūt.
Sources for this account (1)
- Wiktionary: EaldþryþCC-BY-SA-4.0 · retrieved 2026-10-15

