Where does “μsec” come from?

μsec (Translingual) comes from English sec-, from Czech co, from Old Czech čso, from Proto-Slavic česo, from Proto-Slavic čь, from Proto-Balto-Slavic ki, from Proto-Indo-European kʷíd, from Proto-Indo-European kʷís — interrogative base.

Ancestry of “μsec”, step by step

StepLanguageWordMeaning
1Englishsec-secondary-form of a functional group, a branched...
2Czechcowhat; that; isn't it so, don't you think?
3Old CzechčsoInterrogative pronoun; what
4Proto-Slavicčesowhat (interrogative)
5Proto-Slavicčьwhat; alternative form of *čьto
6Proto-Balto-Slavickiwhat
7Proto-Indo-Europeankʷídneuter nominative/accusative singular of *kʷís
8Proto-Indo-Europeankʷíswho, what; who, which, that; which, what
9Proto-Indo-Europeankʷi-interrogative base
Every word from Proto-Indo-European kʷi-Every word from Proto-Indo-European kʷísEvery word from Proto-Indo-European kʷíd
μsec — Etymology, Origin & Word History | Etymology Explorer