Where does “legtelítettebb” come from?

legtelítettebb (Hungarian) comes from Hungarian telítettebb, from Hungarian telített, from Hungarian -ett, from Hungarian -é-, from Hungarian -d, from Middle Welsh -nt — 3rd person plural verb ending.

Ancestry of “legtelítettebb”, step by step

Step	Language	Word	Meaning
1	Hungarian	telítettebb	—
2	Hungarian	telített	saturated having all available valence bonds filled
3	Hungarian	-ett	-ed, -t; in
4	Hungarian	-é-	—
5	Hungarian	-d	your; Used in the second-person singular definite...
6	Middle Welsh	-nt	3rd person plural verb ending

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