Where does “Cheia de sub Grind” come from?

Cheia de sub Grind (Romanian) comes from Romanian de, from Latin dē, from Latin post, from Latin poste, from Proto-Italic posti, from Proto-Indo-European pósti, from Proto-Indo-European pós — afterwards, post; by, at.

Ancestry of “Cheia de sub Grind”, step by step

Cheia de sub Grind traces back through 3 separate lines of ancestry.

via Romanian de

Step	Language	Word	Meaning
1	Romanian	de	from; of; by
2	Latin	dē	of; concerning; about
3	Latin	post	behind; after, since, besides, except; behind,...
4	Latin	poste	ablative singular of postis
5	Proto-Italic	posti	behind, after
6	Proto-Indo-European	pósti	after
7	Proto-Indo-European	pós	afterwards, post; by, at

via Romanian sub

Step	Language	Word	Meaning
1	Romanian	sub	under, below, beneath, underneath
2	Latin	subtus	below, underneath, beneath
3	Latin	sub	under, beneath; behind; at the feet of
4	Proto-Italic	supo	under
5	Proto-Indo-European	upó	under, below
6	Proto-Indo-European	h₃ewp-	—

via Romanian cheie

Step	Language	Word	Meaning
1	Romanian	cheie	key, chief; key; wrench, spanner
2	Latin	clāvis	a key
3	Ancient Greek	κλείς	Something used to lock/unlock: key, bolt, bar; A...
4	Proto-Hellenic	klāwī́ds	—
5	Proto-Indo-European	kleh₂u-	nail, pin, hook - instruments, of old use for...

Every word from Proto-Indo-European pós →