Where does “cysylltedig” come from?

cysylltedig (Welsh) comes from Welsh cysylltu, from Welsh -u, from Middle Welsh -u, from Proto-Brythonic -oβ̃ — Forms verbal nouns, originally from thematic...

Ancestry of “cysylltedig”, step by step

Step	Language	Word	Meaning
1	Welsh	cysylltu	to couple, connect, join together, unite,...
2	Welsh	-u	impression, imprint
3	Middle Welsh	-u	—
4	Proto-Brythonic	-oβ̃	Forms verbal nouns, originally from thematic...

Every word from Proto-Brythonic -oβ̃ →