Where does “hallo” come from?

hallo (Norwegian Bokmål) comes from German Hallo, from Polish halo, from Latin halōs, from Ancient Greek ἅλως — threshing floor; grain on the floor; disk.

hallo (Norwegian Bokmål): hello

Definitions

hello

Ancestry of “hallo”, step by step

Step	Language	Word	Meaning
1	German	Hallo	hello
2	Polish	halo	hello; halo; buzz, hype
3	Latin	halōs	halo (a circle around the sun or moon)
4	Ancient Greek	ἅλως	threshing floor; grain on the floor; disk

Every word from Ancient Greek ἅλως →Every word from Latin halōs →Every word from Polish halo →