Where does “prvočíslo” come from?

prvočíslo (Slovak) comes from Slovak číslo, from Proto-Slavic čislo, from Proto-Slavic čisti, from Proto-Balto-Slavic (s)keistéi, from Proto-Indo-European *(s)kʷéyt-t ~ *(s)kit-ént, from Proto-Indo-European kʷeyt- — to notice; to read.

prvočíslo (Slovak): prime number

Definitions

  1. prime number

Ancestry of “prvočíslo”, step by step

prvočíslo traces back through two separate lines of ancestry.

via Slovak číslo

StepLanguageWordMeaning
1Slovakčíslonumber; issue
2Proto-Slavicčislonumber
3Proto-Slavicčistito read; to honour
4Proto-Balto-Slavic(s)keistéi
5Proto-Indo-European*(s)kʷéyt-t ~ *(s)kit-ént
6Proto-Indo-Europeankʷeyt-to notice; to read

via Slovak prvý

StepLanguageWordMeaning
1Slovakprvýfirst
2Proto-Slavicpьrvъfirst
3Proto-Balto-Slavicpírˀwas
4Proto-Indo-Europeanpr̥h₂wósfirst
5Proto-Indo-Europeanper-before, in front; first; to go through
6Proto-Indo-Europeanpr̥tóspassed , crossed
Every word from Proto-Indo-European kʷeyt-Every word from Proto-Indo-European *(s)kʷéyt-t ~ *(s)kit-éntEvery word from Proto-Balto-Slavic (s)keistéi