| 1 | English | sinus | A pouch or cavity in any organ or tissue,... |
| 2 | Latin | sinus | a hollow, cavity; curve, fold, winding; gulf, bay |
| 3 | Arabic | جَيْب | pocket; opening in a garment; pocket; bosom, fold... |
| 4 | Sanskrit | ज्या | bow-string, tendon; sine |
| 5 | Sanskrit | जीव | alive, living; life, existence; any living being,... |
| 6 | Proto-Indo-Aryan | ȷ́iHwás | — |
| 7 | Proto-Indo-Iranian | ǰiHwás | alive |
| 8 | Proto-Indo-European | gʷih₃wós | alive, living |
| 9 | Proto-Indo-European | gʷeih₃w- | to live |