Where does “évfolyamok” come from?

évfolyamok (Hungarian) comes from Hungarian évfolyam, from Hungarian folyam, from Hungarian -ám, from Portuguese -ão, from Old Portuguese -ão, from Latin -ānus — Of or pertaining to; -ian.

Ancestry of “évfolyamok”, step by step

Step	Language	Word	Meaning
1	Hungarian	évfolyam	volume; class, year
2	Hungarian	folyam	big river
3	Hungarian	-ám	Added to a stem or other parts of speech to form...
4	Portuguese	-ão	forms the augmentative of nouns; forms the...
5	Old Portuguese	-ão	—
6	Latin	-ānus	Of or pertaining to; -ian

Every word from Latin -ānus →Every word from Portuguese -ão →Every word from Hungarian -ám →