Where does “tsarinna” come from?

tsarinna (Swedish) comes from Swedish tsar, from Russian царь, from Old East Slavic цьсарь, from Old East Slavic цѣсарь, from Proto-Slavic cěsařь, from Proto-Germanic kaisaraz, from Latin Caesar, from Latin caesaries — hair.

tsarinna (Swedish): tsarina empress of several Eastern European countries, especially Russia, or the wife of a tsar