Where does “kloakdyr” come from?

kloakdyr (Danish) comes from Danish dyr, from Old Norse dýrr, from Proto-Germanic *durz, from Proto-Indo-European dʰwṓr, from Proto-Indo-European dʰwer- — door.

kloakdyr (Danish): monotreme

Definitions

monotreme

Ancestry of “kloakdyr”, step by step

kloakdyr traces back through two separate lines of ancestry.

via Danish dyr

Step	Language	Word	Meaning
1	Danish	dyr	animal, beast; animal; deer
2	Old Norse	dýrr	dear, valuable
3	Proto-Germanic	*durz	—
4	Proto-Indo-European	dʰwṓr	door
5	Proto-Indo-European	dʰwer-	door

via Danish kloak

Step	Language	Word	Meaning
1	Danish	kloak	a sewer
2	French	cloaque	cesspool, cesspit; cloaca
3	Latin	cloāca	An underground drain, sewer

Every word from Proto-Indo-European dʰwer- →Every word from Proto-Indo-European dʰwṓr →Every word from Proto-Germanic *durz →