Latin word tu comes from Proto-Mongolic *ci (You (personal pronoun).), Proto-Uralic *tinä (You, thou.)
| Dictionary entry | Language | Definition |
|---|---|---|
| *ci | Proto-Mongolic (xgn-pro) | You (personal pronoun). |
| *tinä | Proto-Uralic (urj-pro) | You, thou. |
| чи | Mongolian (mon) | You (subject pronoun: the person being addressed) (informal). |
| тэт | Northern Yukaghir (ykg) | |
| *túh₂ | Proto-Indo-European (ine) | You, thou (second-person singular pronoun). |
| *tū | Proto-Italic (itc-pro) | You (second-person singular). |
| tu | Latin (lat) | You (singular); thou. |