Where does “tudomásra” come from?

tudomásra (Hungarian) comes from Hungarian tudomás, from Hungarian -más, from Hungarian -ö-, from Hungarian -d, from Middle Welsh -nt — 3rd person plural verb ending.

Ancestry of “tudomásra”, step by step

Step	Language	Word	Meaning
1	Hungarian	tudomás	knowledge, cognizance, notice
2	Hungarian	-más	Added to a back vowel verb to form a noun
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 -ö- →