Where does “nodiant” come from?

nodiant (Welsh) comes from Welsh nodi, from Welsh nod, from English node, from Middle English node, from Latin nōdus, from Proto-Indo-European gned-.

nodiant (Welsh): notation

Definitions

Step	Language	Word	Meaning
1	Welsh	nodi	to note
2	Welsh	nod	mark, brand; aim, objective, goal; node
3	English	node	A knot, knob, protuberance or swelling; The point...
4	Middle English	node	lump, swelling; knot, tie
5	Latin	nōdus	a knot (in rope)
6	Proto-Indo-European	gned-	—