Proto-Indo-European Roots
| Root/Stem: | *yug- |
| Meaning: | to bind, to harness |
| Cognates: | |
| Hellenic | Greek dzugon 'yoke' |
| Italic | Latin jungere 'to bind', jugum 'yoke' |
| Celtic | Common Celtic *con-yungi- 'to bind', *yougo-
'yoke' > Irish & Scottish cuing 'yoke', Welsh iau 'yoke', Old Welsh iou, Old Cornish ieu, Breton geo, ieo, Gaulish Ver-iugo-dumnus (a personal name) |
| Indic | Sanskrit yugam 'yoke', yuñjati 'binds' |
| Iranian | Avestan yaoj-, yuj- 'to harness', Persian jug |
| Anatolian | Hittite iukan 'yoke' |
| Armenian | Armenian luc 'yoke' |
| Balkan | |
| Germanic | Common Germanic *jaukiz 'yoke' > Gothic juk 'yoke', Old English géoc, Old Icelandic eykr, Old Saxon uk, Old High German juh |
| Baltic | Lithuanian jungti 'to harness', jungas 'yoke' |
| Slavic | Common Slavic *jïgo 'yoke' > Russian & Bulgarian & Polish & Slovene igo, Kashubian jigoe, Polabian jeigü |
| Notes: | Another term from the cattle breeding lexicon of ancient Indo-Europeans. This word was used only for harnessing cattle into the yoke, so the very word 'yoke' is a clear derivative. We can even say for sure that it was neuter in gender in Indo-European: *yugom. |