Where does “legelsőbb” come from?

legelsőbb (Hungarian) comes from Hungarian elsőbb, from Hungarian első, from Hungarian el-, from Hungarian -ső, from Hungarian -s — Added to a noun to form an adjective meaning...

Ancestry of “legelsőbb”, step by step

Step	Language	Word	Meaning
1	Hungarian	elsőbb	comparative degree of első
2	Hungarian	első	first; first grade, freshman year
3	Hungarian	el-	indicates actions whose direction is pointing...
4	Hungarian	-ső	Added to a noun or a stem to form an adjective
5	Hungarian	-s	Added to a noun to form an adjective meaning...

Every word from Hungarian -s →Every word from Hungarian el- →Every word from Hungarian első →