Where does “dy-” come from?

dy- (Welsh) comes from Proto-Celtic dus-, from Proto-Indo-European dus-, from Proto-Indo-European dēwǝ- — to fail, be behind, be lacking.

dy- (Welsh): bad; to, together

Definitions

  1. bad; to, together

Ancestry of “dy-”, step by step

StepLanguageWordMeaning
1Proto-Celticdus-bad
2Proto-Indo-Europeandus-bad
3Proto-Indo-Europeandēwǝ-to fail, be behind, be lacking

Words derived from “dy-

Every word from Proto-Indo-European dēwǝ-Every word from Proto-Indo-European dus-Every word from Proto-Celtic dus-