Where does “llyffant cragennog” come from?

llyffant cragennog (Welsh) comes from Welsh cragennog, from Welsh -og, from Middle Welsh -awc, from Proto-Brythonic -ọg, from Proto-Celtic -ākos, from Proto-Indo-European -eh₂ḱos, from Proto-Indo-European -kos — Creates deadjectival and desubstantival...

llyffant cragennog (Welsh): tortoise, shellpad

Definitions

  1. tortoise, shellpad

Ancestry of “llyffant cragennog”, step by step

llyffant cragennog traces back through two separate lines of ancestry.

via Welsh cragennog

StepLanguageWordMeaning
1Welshcragennogshelly, shelled, having a shell, testaceous
2Welsh-ogadjectival suffix often indicating an abundance...
3Middle Welsh-awcadjectival suffix often indicating an abundance of the root
4Proto-Brythonic-ọgForms nouns/adjectives from other nouns and...
5Proto-Celtic-ākosForms adjectives from nouns and adjectives with...
6Proto-Indo-European-eh₂ḱos
7Proto-Indo-European-kosCreates deadjectival and desubstantival...

via English shellpad

StepLanguageWordMeaning
1EnglishshellpadA turtle or tortoise
2Englishshell paddetortoise
Every word from Proto-Indo-European -kosEvery word from Welsh -ogEvery word from Proto-Celtic -ākos