Latin word identi- comes from Proto-Indo-European *yo-, and later Proto-Italic *is ((in the plural) they. (in the singular) he, she, it.)
| Dictionary entry | Language | Definition |
|---|---|---|
| *yo- | Proto-Indo-European (ine-pro) | |
| *is | Proto-Italic (itc-pro) | (in the plural) they. (in the singular) he, she, it. |
| im | Old Latin (itc-ola) | |
| idem | Latin (lat) | The same (usually with ablative). |
| identi- | Latin (lat) |