Where does “начисляться” come from?

начисляться (Russian) comes from Russian начислять, from Russian начи́слить, from Russian чи́слить, from Russian число́, from Old East Slavic число, from Proto-Slavic čislo, from Proto-Slavic čisti, from Proto-Balto-Slavic (s)keistéi — to notice; to read.

Ancestry of “начисляться”, step by step

StepLanguageWordMeaning
1Russianначислятьto charge
2Russianначи́слитьto charge
3Russianчи́слитьto count
4Russianчисло́number; count; number
5Old East Slavicчисло
6Proto-Slavicčislonumber
7Proto-Slavicčistito read; to honour
8Proto-Balto-Slavic(s)keistéi
9Proto-Indo-European*(s)kʷéyt-t ~ *(s)kit-ént
10Proto-Indo-Europeankʷeyt-to notice; to read
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