Where does “cirkelo” come from?

cirkelo (Esperanto) comes from Polish cyrkiel, from Old Polish cyrkiel, from German Zirkel, from Latin circulus, from Latin -ulus, from Proto-Italic -olos, from Proto-Italic -elos, from Proto-Indo-European -e-lós — Forms agent nouns from verbal roots.

cirkelo (Esperanto): compass tool used for drawing circles

Definitions

  1. compass tool used for drawing circles

Ancestry of “cirkelo”, step by step

cirkelo traces back through 3 separate lines of ancestry.

via Polish cyrkiel

StepLanguageWordMeaning
1Polishcyrkielcompass, pair of compasses
2Old Polishcyrkielcompass, pair of compasses
3GermanZirkelcompass; circle
4Latincirculuscircle; An orbit; A ring, hoop
5Latin-ulusUsed to form a diminutive of a noun, indicating...
6Proto-Italic-olos
7Proto-Italic-elosForms desubstantival and deadjectival diminutive nouns
8Proto-Indo-European-e-lós
9Proto-Indo-European-lósForms agent nouns from verbal roots

via Latin circinus

StepLanguageWordMeaning
1LatincircinusA pair of compasses; a tool for measuring...
2Latin-īnusof or pertaining to; -ine
3Proto-Italic-īnosof/belonging to
4Proto-Indo-European-iHnosCreates adjectives of materials
5Proto-Indo-European-no-adjectival suffix

via Russian ци́ркуль

StepLanguageWordMeaning
1Russianци́ркульpair of compasses
Every word from Proto-Indo-European -lósEvery word from Latin -ulusEvery word from Latin circulus