Where does “donedávna” come from?

donedávna (Czech) comes from Serbo-Croatian nedavno, from Czech nedávný, from Czech ně-, from Czech ne, from Old Czech ne, from Proto-Slavic ne, from Proto-Balto-Slavic nē, from Proto-Indo-European né — not; no.

donedávna (Czech): until recently

Definitions

until recently

Ancestry of “donedávna”, step by step

donedávna traces back through two separate lines of ancestry.

via Serbo-Croatian nedavno

Step	Language	Word	Meaning
1	Serbo-Croatian	nedavno	recently
2	Czech	nedávný	recent
3	Czech	ně-	some
4	Czech	ne	no!; not
5	Old Czech	ne	Negation particle; no, not
6	Proto-Slavic	ne	not
7	Proto-Balto-Slavic	nē	not
8	Proto-Indo-European	né	not; no

via Czech do

Step	Language	Word	Meaning
1	Czech	do	API + "genitive"; into, in; to, in
2	Old Czech	do	Denotes allative movement; to, toward
3	Proto-Slavic	dȍ	up to, until
4	Proto-Indo-European	de	Emphatic or contrastive particle, and, but;...

Every word from Proto-Indo-European né →Every word from Proto-Balto-Slavic nē →Every word from Czech ně- →