Where does “solsprej” come from?

solsprej (Swedish) comes from Swedish söl, from Old Swedish sōl, from Old Norse sól, from Proto-Germanic *sōl.

Ancestry of “solsprej”, step by step

solsprej traces back through two separate lines of ancestry.

via Swedish söl

StepLanguageWordMeaning
1Swedishsöllingering, sluttery, gluttony
2Old Swedishsōlsun
3Old Norsesólsun
4Proto-Germanic*sōl—

via Swedish sprej

StepLanguageWordMeaning
1Swedishsprej—
Every word from Proto-Germanic *sōl →Every word from Old Norse sól →Every word from Old Swedish sōl →
solsprej — Etymology, Origin & Word History | Etymology Explorer