| 1 | French | circonspect | circumspect, cautious, prudent |
| 2 | Latin | circumspectus | surveyed, looked around or over |
| 3 | Latin | circumspiciō | — |
| 4 | Latin | circum- | circum- |
| 5 | Latin | circum | about, around; in a circle, all around, on both... |
| 6 | Latin | circus | a circular line or orbit; circle, ring; a... |
| 7 | Ancient Greek | κρίκος | ring |
| 8 | Proto-Indo-European | (s)ḱer- | dung, manure, filth; manure, dung, filth |