Where does “Ceolþryþ” come from?

Ceolþryþ (Old English) comes from Old English þryþ, from Proto-Germanic þrūþiz, from Proto-Germanic -þiz, from Proto-Indo-European -tis — Derives abstract/action nouns from verb roots.

Ancestry of “Ceolþryþ”, step by step

Ceolþryþ traces back through two separate lines of ancestry.

via Old English þryþ

StepLanguageWordMeaning
1Old Englishþryþstrength, power, force
2Proto-Germanicþrūþizstrength
3Proto-Germanic-þizForms abstract nouns from verb roots, usually...
4Proto-Indo-European-tisDerives abstract/action nouns from verb roots

via Old English ċēol

StepLanguageWordMeaning
1Old Englishċēolship specifically a small flat-bottomed boat
2Proto-Germanickeulazship
3Proto-Indo-Europeangawl-ball, swelling
Every word from Proto-Indo-European -tis →Every word from Proto-Germanic -þiz →Every word from Proto-Germanic þrūþiz →