Where does “niži” come from?

niži (Serbo-Croatian) comes from Proto-Slavic nižьjь — lower, smaller; comparative degree of *nizъkъ.

Ancestry of “niži”, step by step

StepLanguageWordMeaning
1Proto-Slavicnižьjьlower, smaller; comparative degree of *nizъkъ
Every word from Proto-Slavic nižьjь