Where does “laskiaissunnuntai” come from?
laskiaissunnuntai (Finnish) comes from Finnish sunnuntai, from Old Saxon sunnundag, from Proto-Germanic *Sunnōn dag, from Latin dies Solis, from Latin sōl, from Proto-Indo-European sóh₂wl̥ — sun.
laskiaissunnuntai (Finnish): Shrove Sunday
Ancestry of “laskiaissunnuntai”, step by step