Where does “*Colün” come from?

*Colün (Old Welsh) comes from Old English īeġ, from Proto-West Germanic auwju, from Proto-Germanic awjō, from Proto-Germanic agwjō, from Proto-Indo-European h₂ékʷeh₂ — water.

Ancestry of “*Colün”, step by step

StepLanguageWordMeaning
1Old Englishīeġisland
2Proto-West Germanicauwjufloodplain; meadow; island
3Proto-Germanicawjōfloodplain; meadow; island
4Proto-Germanicagwjō
5Proto-Indo-Europeanh₂ékʷeh₂water

Words derived from “*Colün

Every word from Proto-Indo-European h₂ékʷeh₂Every word from Proto-Germanic agwjōEvery word from Proto-Germanic awjō