Where does “карантинъ” come from?
карантинъ (Russian) comes from Polish kwarantanna, from French quarantaine, from Italian quarantina, from Italian quaranta, from Late Latin quarranta, from Latin quadrāgintā, from Proto-Indo-European kʷetwr̥̄ḱomt, from Proto-Indo-European kʷétwr̥dḱomt — and.
Ancestry of “карантинъ”, step by step