Latin word essentia comes from Ancient Greek λόγῳ, Old Armenian *եստ, Proto-Indo-European *bʰowHéyeti, Ancient Greek ὀυτ-, and later Proto-Italic *fuiō (To become.)
| Dictionary entry | Language | Definition |
|---|---|---|
| λόγῳ | Ancient Greek (grc) | |
| *եստ | Old Armenian (xcl) | |
| *bʰowHéyeti | Proto-Indo-European (ine-pro) | |
| ὀυτ- | Ancient Greek (grc) | |
| *fuiō | Proto-Italic (itc-pro) | To become. |
| *h₁ésti | Proto-Indo-European (ine-pro) | To be. |
| *wesaną | Proto-Germanic (gem-pro) | To consume, feast To be. To exist. To remain. |
| *h₁ésmi | Proto-Indo-European (ine-pro) | |
| *h₁es- | Proto-Indo-European (ine-pro) | |
| *ezom | Proto-Italic (itc-pro) | Be. |
| *ehmi | Proto-Hellenic (grk-pro) | To be. |
| *som | Proto-Italic (itc-pro) | |
| esom | Old Latin (itc-ola) | |
| εἰμί | Ancient Greek (grc) | |
| παλαιός | Ancient Greek (grc) | |
| οὐσία | Ancient Greek (grc) | |
| fui | Latin (lat) | |
| essentia | Latin (lat) | Essence, being. |