Where does “tsãtsosu” come from?

tsãtsosu (Aromanian) comes from Asturian -osu, from Latin -ōsus, from Old Latin -ōssus.

Ancestry of “tsãtsosu”, step by step

StepLanguageWordMeaning
1Asturian-osu-y
2Latin-ōsusose, -ous, -ful (full of or overly prone to)
3Old Latin-ōssus—
Every word from Old Latin -ōssus →Every word from Latin -ōsus →Every word from Asturian -osu →
tsãtsosu — Etymology, Origin & Word History | Etymology Explorer