Where does “застраховывать” come from?
застраховывать (Russian) comes from Russian застрахова́ть, from Russian страхова́ть, from Russian страх, from Proto-Slavic straxъ, from Proto-Balto-Slavic strākš-, from Proto-Indo-European (s)treg- — rigid, stiff; to be stiff, rigid, strong.
застраховывать (Russian): to insure
Ancestry of “застраховывать”, step by step