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

StepLanguageWordMeaning
1Polishkwarantannaquarantine
2Frenchquarantainea number or group of or about forty
3Italianquarantinaapproximately forty; period of forty days
4Italianquarantaforty
5Late Latinquarranta
6Latinquadrāgintāforty; 40
7Proto-Indo-Europeankʷetwr̥̄ḱomt
8Proto-Indo-Europeankʷétwr̥dḱomtforty
9Proto-Indo-Europeankʷetwr̥-four, fourfold
10Proto-Indo-Europeankʷetwóresfour
11Proto-Indo-Europeankʷe-and

Words derived from “карантинъ

Every word from Proto-Indo-European kʷe-Every word from Proto-Indo-European kʷetwóresEvery word from Proto-Indo-European kʷetwr̥-