Italian word zio comes from Ancient Greek (to 1453) -ισμός, Proto-Indo-European *dʰéh₁s, Proto-Indo-European *dʰh₁s-, and later Proto-Hellenic *tʰehós (God, deity.)
| Dictionary entry | Language | Definition |
|---|---|---|
| -ισμός | Ancient Greek (to 1453) (grc) | |
| *dʰéh₁s | Proto-Indo-European (ine) | |
| *dʰh₁s- | Proto-Indo-European (ine) | |
| *tʰehós | Proto-Hellenic (grk-pro) | God, deity. |
| henotheism | English (en) | Belief in or worship of one deity without denying the existence of other deities. |
| θεός | Ancient Greek (to 1453) (grc) | |
| θεῖος | Ancient Greek (to 1453) (grc) | |
| thius | Late Latin (LL) | |
| zio | Italian (it) | (slang) dude. Uncle (male relative). |