Where does “Какова” come from?

Какова (Old Church Slavonic) comes from Russian -ова, from Ukrainian -ов, from Russian -о́в, from Old East Slavic -овъ, from Proto-Slavic -ovъ — of, belonging to.

Ancestry of “Какова”, step by step

StepLanguageWordMeaning
1Russian-ова—
2Ukrainian-ов—
3Russian-о́вGenitive plural desinence of most hard-stem masculine nouns
4Old East Slavic-овъ—
5Proto-Slavic-ovъof, belonging to

Words derived from “Какова”

Every word from Proto-Slavic -ovъ →Every word from Russian -о́в →Every word from Ukrainian -ов →