Where does “itinerarium” come from?
itinerarium (Latin) comes from Latin -ārium, from Latin -um, from Proto-Italic *-om, from Proto-Indo-European *-oHom.
Ancestry of “itinerarium”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Latin | -ārium | — |
| 2 | Latin | -um | nominative neuter singular of -us; accusative... |
| 3 | Proto-Italic | *-om | — |
| 4 | Proto-Indo-European | *-oHom | — |