Where does “arpeo” come from?

arpeo (Galician) comes from Old French harpeau, from Old French harper, from Proto-Germanic harpǭ, from Proto-Indo-European (s)kreb-, from Proto-Indo-European (s)ker-, from Proto-Indo-European sek- — to cut, cut off, sever.

arpeo (Galician): grapnel; hook; grappling hook

Definitions

grapnel; hook; grappling hook

Ancestry of “arpeo”, step by step

Step	Language	Word	Meaning
1	Old French	harpeau	—
2	Old French	harper	to play the harp
3	Proto-Germanic	harpǭ	harp
4	Proto-Indo-European	(s)kreb-	to turn; to touch; to turn, bend, shrink, rotate,...
5	Proto-Indo-European	(s)ker-	to cut off; to turn, bend
6	Proto-Indo-European	sek-	to cut, cut off, sever

Every word from Proto-Indo-European sek- →Every word from Proto-Indo-European (s)ker- →Every word from Proto-Indo-European (s)kreb- →