Where does “nii” come from?

nii (Translingual) comes from English Nii, from Russian НИИ, from Proto-Finno-Permic ńijne.

Ancestry of “nii”, step by step

StepLanguageWordMeaning
1EnglishNiiA Soviet scientific research institute
2RussianНИИresearch institute
3Proto-Finno-Permicńijne—
Every word from Proto-Finno-Permic ńijne →Every word from Russian НИИ →Every word from English Nii →