Where does “таковой” come from?

таковой (Russian) comes from Russian так, from Old East Slavic тако, from Proto-Slavic tako, from Proto-Slavic takъ — such, such a (kind of), of that kind.

таковой (Russian): More formal ' in the main determiner and pronoun senses. Mainly used in certain collocations

Definitions

  1. More formal ' in the main determiner and pronoun senses. Mainly used in certain collocations

Ancestry of “таковой”, step by step

StepLanguageWordMeaning
1Russianтакso, thus; like that; so much
2Old East Slavicтакоso, like that
3Proto-Slavictakothus, so, in such a way
4Proto-Slavictakъsuch, such a (kind of), of that kind
Every word from Proto-Slavic takъ →Every word from Proto-Slavic tako →Every word from Old East Slavic тако →