Where does “lleied” come from?

lleied (Welsh) comes from Welsh -ed, from Welsh -fed, from Proto-Brythonic -β̃ed, from Proto-Celtic -metos.

Ancestry of “lleied”, step by step

StepLanguageWordMeaning
1Welsh-edForms an equative of an adjective of one or two...
2Welsh-fed-th
3Proto-Brythonic-β̃ed—
4Proto-Celtic-metos—
Every word from Proto-Celtic -metos →Every word from Welsh -ed →Every word from Welsh -fed →