Where does “циркуляр” come from?

циркуляр (Russian) comes from English circular, from Middle English circuler, from Old French circulier, from Latin circulāris, from Latin circulus, from Latin -ulus, from Proto-Italic -olos, from Proto-Italic -elos — Forms agent nouns from verbal roots.

циркуляр (Russian): circulaire written directive to subordinates

Definitions

  1. circulaire written directive to subordinates

Ancestry of “циркуляр”, step by step

циркуляр traces back through two separate lines of ancestry.

via English circular

StepLanguageWordMeaning
1EnglishcircularOf or relating to a circle; In the shape of, or...
2Middle Englishcirculer—
3Old Frenchcirculier—
4Latincirculāriscircular, round
5Latincirculuscircle; An orbit; A ring, hoop
6Latin-ulusUsed to form a diminutive of a noun, indicating...
7Proto-Italic-olos—
8Proto-Italic-elosForms desubstantival and deadjectival diminutive nouns
9Proto-Indo-European-e-lós—
10Proto-Indo-European-lósForms agent nouns from verbal roots

via German Zirkular

StepLanguageWordMeaning
1GermanZirkularcircular
Every word from Proto-Indo-European -lós →Every word from Latin -ulus →Every word from Latin circulus →