Where does “circā” come from?

circā (Latin) comes from Latin circum, from Latin circus, from Ancient Greek κρίκος, from Proto-Indo-European (s)ḱer- — dung, manure, filth; manure, dung, filth.

Ancestry of “circā”, step by step

circā traces back through two separate lines of ancestry.

via Latin circum

Step	Language	Word	Meaning
1	Latin	circum	about, around; in a circle, all around, on both...
2	Latin	circus	a circular line or orbit; circle, ring; a...
3	Ancient Greek	κρίκος	ring
4	Proto-Indo-European	(s)ḱer-	dung, manure, filth; manure, dung, filth

via Ancient Greek Κίρκη

Step	Language	Word	Meaning
1	Ancient Greek	Κίρκη	Circe
2	Ancient Greek	-ή	suffix of feminine nouns in the [[Appendix:Ancient Greek first declension
3	Ancient Greek	-ᾱ	nominal suffix
4	Proto-Indo-European	-éh₂	—

Words derived from “circā”

Every word from Proto-Indo-European (s)ḱer- →Every word from Ancient Greek κρίκος →Every word from Latin circus →