Where does “gyrth” come from?

gyrth (Middle English) comes from Old Norse gjǫrð, from Proto-Germanic gerdō, from Proto-Indo-European gʰerdʰ- — to enclose, to encircle; enclosure, fence, belt.

Ancestry of “gyrth”, step by step

StepLanguageWordMeaning
1Old Norsegjǫrðgirdle, saddle girth
2Proto-Germanicgerdōgirdle
3Proto-Indo-Europeangʰerdʰ-to enclose, to encircle; enclosure, fence, belt
Every word from Proto-Indo-European gʰerdʰ-Every word from Proto-Germanic gerdōEvery word from Old Norse gjǫrð