Where does “ni-dāna-” come from?

ni-dāna- (Proto-Iranian) comes from Proto-Iranian ni-, from Proto-Indo-Iranian ní, from Proto-Indo-European ni — down.

Ancestry of “ni-dāna-”, step by step

ni-dāna- traces back through two separate lines of ancestry.

via Proto-Iranian ni-

StepLanguageWordMeaning
1Proto-Iranianni-down
2Proto-Indo-Iraniannídown, downwards; in, into
3Proto-Indo-Europeannidown

via Proto-Iranian dā-

StepLanguageWordMeaning
1Proto-Iraniandā-to give, put; to cut
2Proto-Indo-Europeandeh₃-to give

Words derived from “ni-dāna-”

Every word from Proto-Indo-European ni →Every word from Proto-Indo-Iranian ní →Every word from Proto-Iranian ni- →