Where does “kro” come from?

kro (Norwegian Nynorsk) comes from German Krug, from Middle High German kruoc, from Old High German kruog, from Proto-Germanic krogu, from Proto-Germanic *krōguz.

kro (Norwegian Nynorsk): small restaurant; inn, tavern; crop; See Bokmål...

Definitions

small restaurant; inn, tavern; crop; See Bokmål...

Ancestry of “kro”, step by step

Step	Language	Word	Meaning
1	German	Krug	jug; pub; bar
2	Middle High German	kruoc	—
3	Old High German	kruog	—
4	Proto-Germanic	krogu	pot, pitcher
5	Proto-Germanic	*krōguz	—

Every word from Proto-Germanic *krōguz →Every word from Proto-Germanic krogu →Every word from Old High German kruog →