Where does “cylion” come from?

cylion (Middle Welsh) comes from Proto-Brythonic kil, from Proto-Celtic kūlos, from Proto-Indo-European ḱuH-ló-, from Proto-Indo-European (s)kewH- — to cover, bedeck; cover.

Ancestry of “cylion”, step by step

StepLanguageWordMeaning
1Proto-Brythonickil—
2Proto-Celtickūloscorner
3Proto-Indo-EuropeanḱuH-ló-—
4Proto-Indo-European(s)kewH-to cover, bedeck; cover

Words derived from “cylion”

Every word from Proto-Indo-European (s)kewH- →Every word from Proto-Indo-European ḱuH-ló- →Every word from Proto-Celtic kūlos →