Where does “дадаваць” come from?

дадаваць (Belarusian) comes from Belarusian да-, from Belarusian да, from Proto-Slavic dȍ, from Proto-Indo-European de — Emphatic or contrastive particle, and, but;...

дадаваць (Belarusian): to add

Definitions

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Ancestry of “дадаваць”, step by step

Step	Language	Word	Meaning
1	Belarusian	да-	up to
2	Belarusian	да	before
3	Proto-Slavic	dȍ	up to, until
4	Proto-Indo-European	de	Emphatic or contrastive particle, and, but;...

Every word from Proto-Indo-European de →Every word from Proto-Slavic dȍ →Every word from Belarusian да- →