Where does “Pont-y-pŵl” come from?

Pont-y-pŵl (Welsh) comes from English Pool, from Middle English pool, from Old English pōl, from Proto-West Germanic *pōl, from Proto-Germanic pōlaz, from Proto-Indo-European bale-, from Yoruba ilé — home; house.

Ancestry of “Pont-y-pŵl”, step by step

Pont-y-pŵl traces back through 3 separate lines of ancestry.

via English Pool

StepLanguageWordMeaning
1EnglishPoolOS grid ref SW6641
2Middle Englishpool
3Old Englishpōlpool
4Proto-West Germanic*pōl
5Proto-Germanicpōlazpool
6Proto-Indo-Europeanbale-bog, marsh
7Yorubailéhome; house

via Latin pōns

StepLanguageWordMeaning
1LatinpōnsA bridge, a construction or natural feature that spans a divide
2Latinfractusbroken, shattered, having been broken;...
3Latinfrangeresecond-person singular future passive indicative...
4Latinfrangōto break, shatter
5Proto-Indo-Europeanbʰrēǵ-to shine, shimmer

via Welsh pont

StepLanguageWordMeaning
1Welshpontbridge
2LatinponsA bridge, a construction or natural feature that...
3Proto-Indo-Europeanpónteh₁spath, road
4Proto-Indo-Europeanpent-to pass; path
Every word from Yoruba iléEvery word from Proto-Indo-European bale-Every word from Proto-Germanic pōlaz