Where does “orli” come from?

orli (Polish) comes from Polish Orzeł, from Old Polish orzeł, from Proto-Slavic orьlъ, from Proto-Balto-Slavic *arélis, from Proto-Indo-European h₃érō — eagle.

orli (Polish): Of, pertaining to, or characteristic of eagles;...

Definitions

Of, pertaining to, or characteristic of eagles;...

Ancestry of “orli”, step by step

orli traces back through two separate lines of ancestry.

via Polish Orzeł

Step	Language	Word	Meaning
1	Polish	Orzeł	Aquila constellation
2	Old Polish	orzeł	—
3	Proto-Slavic	orьlъ	eagle
4	Proto-Balto-Slavic	*arélis	eagle
5	Proto-Indo-European	h₃érō	eagle

via Hungarian őröl

Step	Language	Word	Meaning
1	Hungarian	őröl	to grind, mill
2	Hungarian	őr	guard, watchman, keeper; guardian, protector;...
3	Hungarian	őriz	to guard, herd, watch, keep safe
4	Hungarian	-kedik	Added to a noun or adjective to form a verb. Most...

Every word from Proto-Indo-European h₃érō →Every word from Proto-Balto-Slavic *arélis →Every word from Proto-Slavic orьlъ →