Where does “pigynnau” come from?

pigynnau (Welsh) comes from Welsh pigyn, from Welsh pig, from Middle English pyke, from Old English pīc, from Proto-Germanic *pīk, from Latin pix, from Proto-Indo-European pik-, from Proto-Indo-European pi- — sap, juice.

Ancestry of “pigynnau”, step by step

StepLanguageWordMeaning
1Welshpigynthorn, spike, prick, a pointed end
2Welshpigbeak, bill; point, spike; spout
3Middle EnglishpykeA sharp round point or projection; A point or end...
4Old Englishpīcpointed object, pick axe
5Proto-Germanic*pīk
6Latinpixpitch, tar
7Proto-Indo-Europeanpik-to be angry; pitch; resin
8Proto-Indo-Europeanpi-sap, juice
Every word from Proto-Indo-European pi-