| 1 | Italian | cifra | figure, numeral; sum; code, cipher |
| 2 | Medieval Latin | cifra | zero, numeral; numeral, cipher; zero |
| 3 | Arabic | صِفْر | zero, nothing, empty, void; nothing, cipher;... |
| 4 | Sanskrit | शून्य | zero; cipher, cypher; blank, deserted |
| 5 | Proto-Indo-European | ḱówH- | — |