Where does “trylwyredd” come from?

trylwyredd (Welsh) comes from Welsh -edd, from Middle Welsh -eð, from Proto-Celtic *-iyā, from Proto-Indo-European -éh₂.

trylwyredd (Welsh): thoroughness, exhaustiveness

Definitions

  1. thoroughness, exhaustiveness

Ancestry of “trylwyredd”, step by step

StepLanguageWordMeaning
1Welsh-edd-ness, -ment; -s
2Middle Welsh-eð—
3Proto-Celtic*-iyāForms abstract nouns from adjectives
4Proto-Indo-European-éh₂—
Every word from Proto-Indo-European -éh₂ →Every word from Welsh -edd →Every word from Middle Welsh -eð →