Where does “противопоказание” come from?
противопоказание (Russian) comes from Russian показа́ние, from Russian показа́ть, from Russian каза́ть, from Proto-Slavic kāzàti, from Proto-Indo-European kʷeǵ-, from Proto-Indo-European kʷeḱ- — to see; to look.
противопоказание (Russian): contraindication
Ancestry of “противопоказание”, step by step