Where does “eledh” come from?

eledh (Cornish) comes from Cornish -edh, from Middle Welsh -eð, from Proto-Celtic *-iyā, from Proto-Indo-European -éh₂.

Ancestry of “eledh”, step by step

StepLanguageWordMeaning
1Cornish-edh
2Middle Welsh-eð
3Proto-Celtic*-iyāForms abstract nouns from adjectives
4Proto-Indo-European-éh₂
Every word from Proto-Indo-European -éh₂