Where does “blorsur” come from?

blorsur (Welsh) comes from Welsh sur, from Old English sūr, from Proto-West Germanic sūr, from Proto-Germanic sūraz, from Proto-Indo-European suHrós — sour, salty, bitter.

Ancestry of “blorsur”, step by step

blorsur traces back through two separate lines of ancestry.

via Welsh sur

StepLanguageWordMeaning
1Welshsursour, acidic
2Old Englishsūrsour
3Proto-West Germanicsūrsour, acidic
4Proto-Germanicsūrazsour, acidic
5Proto-Indo-EuropeansuHróssour, salty, bitter

via Welsh blawr

StepLanguageWordMeaning
1Welshblawrgrey, greyish-blue, pale blue, white
Every word from Proto-Indo-European suHrós