Where does “iutișor” come from?

iutișor (Romanian) comes from Romanian iute, from Old Church Slavonic лютъ, from Proto-Slavic ljutъ — harsh.

Ancestry of “iutișor”, step by step

StepLanguageWordMeaning
1Romanianiutefast; swift, lively, deft; hot, spicy
2Old Church Slavonicлютъfierce, severe; wicked; angry
3Proto-Slavicljutъharsh
Every word from Proto-Slavic ljutъ →Every word from Old Church Slavonic лютъ →Every word from Romanian iute →