Where does “kommandobro” come from?

kommandobro (Norwegian Bokmål) comes from Norwegian Bokmål bro, from Danish bro, from Old Danish bro, from Old East Norse brō, from Proto-Germanic brōwō, from Proto-Indo-European bʰruh- — beam; bridge; beam, bridge.

kommandobro (Norwegian Bokmål): bridge

Definitions

bridge

Ancestry of “kommandobro”, step by step

kommandobro traces back through two separate lines of ancestry.

via Norwegian Bokmål bro

Step	Language	Word	Meaning
1	Norwegian Bokmål	bro	a bridge
2	Danish	bro	bridge
3	Old Danish	bro	—
4	Old East Norse	brō	—
5	Proto-Germanic	brōwō	bridge; brow
6	Proto-Indo-European	bʰruh-	beam; bridge; beam, bridge

via Norwegian Bokmål kommando

Step	Language	Word	Meaning
1	Norwegian Bokmål	kommando	a command; a commando
2	Italian	comando	order, command; command, charge, leadership;...

Every word from Proto-Indo-European bʰruh- →Every word from Proto-Germanic brōwō →Every word from Old East Norse brō →