Where does “потайной” come from?

потайной (Russian) comes from Russian потаи́ть, from Russian по́-, from Russian -бира́ть.

потайной (Russian): hidden, secret

Definitions

  1. hidden, secret

Ancestry of “потайной”, step by step

StepLanguageWordMeaning
1Russianпотаи́тьto hide, to conceal
2Russianпо́-perfective aspect
3Russian-бира́ть—
Every word from Russian -бира́ть →Every word from Russian по́- →Every word from Russian потаи́ть →
потайной — Etymology, Origin & Word History | Etymology Explorer