Ox-yoke

A yoke is a wooden beam normally used between a pair of oxen or other animals to enable them to pull together on a load when working in pairs, as oxen usually do; some yokes are fitted to individual animals. There are several types of yoke, used in different cultures, and for different types of oxen. A pair of oxen may be called a yoke of oxen, and yoke is also a verb, as in "to yoke a pair of oxen". Other animals that may be yoked include horses, mules, donkeys, and water buffalo.

The word "yoke" is believed to derive from Proto-Indo-European *yugóm (yoke), from verb *yeug- (join, unite). This root has descendants in almost all known Indo-European languages including German Joch, Latin iugum, Ancient Greek ζυγόν (zygon), Persian یوغ (yuğ), Sanskrit युग (yugá), Hittite ...
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