Where does “jönnöd” come from?

jönnöd (Hungarian) comes from Hungarian -nöd, from Hungarian -öd, from Hungarian -ö-, from Hungarian -d, from Middle Welsh -nt — 3rd person plural verb ending.

Ancestry of “jönnöd”, step by step

Step	Language	Word	Meaning
1	Hungarian	-nöd	Used to form the second-person singular informal...
2	Hungarian	-öd	your; Used to form the second-person singular...
3	Hungarian	-ö-	linking vowel
4	Hungarian	-d	your; Used in the second-person singular definite...
5	Middle Welsh	-nt	3rd person plural verb ending

Every word from Middle Welsh -nt →Every word from Hungarian -d →Every word from Hungarian -öd →