Where does “Kosename” come from?

Kosename (German) comes from German nāme, from Middle High German name, from Old High German namo, from Proto-West Germanic namō, from Proto-Germanic namô, from Proto-Indo-European h₁nómn̥, from Proto-Indo-European h₃neh₃- — to name.

Kosename (German): pet name

Definitions

pet name

Ancestry of “Kosename”, step by step

Kosename traces back through two separate lines of ancestry.

via German nāme

Step	Language	Word	Meaning
1	German	nāme	name (forename, Christian name, given name)
2	Middle High German	name	name
3	Old High German	namo	name; noun
4	Proto-West Germanic	namō	name
5	Proto-Germanic	namô	name
6	Proto-Indo-European	h₁nómn̥	name
7	Proto-Indo-European	h₃neh₃-	to name

via German kosen

Step	Language	Word	Meaning
1	German	kosen	to cuddle; to caress
2	Middle High German	kōsen	—
3	Old High German	kōson	—
4	Latin	causa	cause, reason; case, claim, contention; motive,...
5	Old Latin	caussa	cause, reason, purpose; case, claim; Archaic form...
6	Proto-Indo-European	kawd-teh₂	—

Every word from Proto-Indo-European h₃neh₃- →Every word from Proto-Indo-European h₁nómn̥ →Every word from Proto-Germanic namô →