Where does “orð” come from?

orð (Middle Welsh) comes from Brythonic *orð, from Proto-Celtic ordos, from Mongolian ᠣᠷᠳᠣᠰ.

Ancestry of “orð”, step by step

Step	Language	Word	Meaning
1	Brythonic	*orð	—
2	Proto-Celtic	ordos	hammer
3	Mongolian	ᠣᠷᠳᠣᠰ	—

Words derived from “orð”

gordd

Every word from Mongolian ᠣᠷᠳᠣᠰ →Every word from Proto-Celtic ordos →Every word from Brythonic *orð →