Where does “disgyn” come from?

disgyn (Welsh) comes from Latin descendo, from Latin de-, from Latin de, from Proto-Indo-European de — Emphatic or contrastive particle, and, but;...

disgyn (Welsh): to descend

Definitions

Step	Language	Word	Meaning
1	Latin	descendo	I climb down, to come down, to descend; I march...
2	Latin	de-	of; from
3	Latin	de	The name of the letter "D"; of, concerning,...
4	Proto-Indo-European	de	Emphatic or contrastive particle, and, but;...