Where does “self-quarantine” come from?

self-quarantine (English) comes from English quarantine, from German Quarantäne, from Russian карантинъ, from Polish kwarantanna, from French quarantaine, from Italian quarantina, from Italian quaranta, from Late Latin quarranta — and.

self-quarantine (English): To refrain from physical contact with other individuals, especially in order to reduce the transmission of a contagious disease

Definitions

  1. To refrain from physical contact with other individuals, especially in order to reduce the transmission of a contagious disease

Ancestry of “self-quarantine”, step by step

StepLanguageWordMeaning
1EnglishquarantineThe desert in which Christ fasted for 40 days...
2GermanQuarantänequarantine
3Russianкарантинъ
4Polishkwarantannaquarantine
5Frenchquarantainea number or group of or about forty
6Italianquarantinaapproximately forty; period of forty days
7Italianquarantaforty
8Late Latinquarranta
9Latinquadrāgintāforty; 40
10Proto-Indo-Europeankʷetwr̥̄ḱomt
11Proto-Indo-Europeankʷétwr̥dḱomtforty
12Proto-Indo-Europeankʷetwr̥-four, fourfold
13Proto-Indo-Europeankʷetwóresfour
14Proto-Indo-Europeankʷe-and
Every word from Proto-Indo-European kʷe-