Latin word primum comes from Proto-Germanic *feraną, Proto-Indo-European *bʰowHéyeti, Proto-Indo-European *per (Around. Through.), Proto-Italic *-kaps (-catcher (as a noun), -catching (as an adjective).), Proto-Italic *pri, Proto-Italic - isemos
| Dictionary entry | Language | Definition |
|---|---|---|
| *feraną | Proto-Germanic (gem-pro) | |
| *bʰowHéyeti | Proto-Indo-European (ine-pro) | |
| *per | Proto-Indo-European (ine-pro) | Around. Through. |
| *-kaps | Proto-Italic (itc-pro) | -catcher (as a noun), -catching (as an adjective). |
| *pri | Proto-Italic (itc-pro) | |
| - isemos | Proto-Italic (itc-pro) | |
| *sperw- | Proto-Indo-European (ine-pro) | to twitch, push, fidget, be quick |
| *priisemos | Proto-Italic (itc-pro) | Foremost, first. |
| prismos | Latin (lat) | |
| prima | Latin (lat) | |
| primum | Latin (lat) | First, at first. |