| 1 | Middle English | serchen | To search, to try to find; to scour; To research;... |
| 2 | Old French | cerchier | to search; to seek; to look for |
| 3 | Latin | circō | — |
| 4 | Latin | circā | — |
| 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 |