The story
- Proto-Indo-European*(s)ker-
- Ancient Greekκίρκος (kírkos)
- Latincircus
- Latincircum
- Latincircum-
- Proto-Indo-European*h₂ent-
- Proto-Indo-European*h₂énts?
- Proto-Indo-European*h₂m̥bʰí
- Proto-Italic*amβi-
- Latinambi-
- Proto-Indo-European*h₂elh₂-
- Proto-Italic*alō
- Latin*alō
- Latinambulō
- Latincircumambulō
- Latincircumambulātus
- English todaycircumambulate
Latin circumambulātus, past participle of circumambulāre (“to walk around”). Equivalent to circum- + ambulate.
Etymology from Wiktionary, CC BY-SA 4.0.