Proto-IE: *neyǝ-
Meaning: lower; bottom
Old Indian: ní `down', nitarā́m `downwards'; nīpa- `situated low, deep', nīca- `low'
Avestan: nī `nieder(wärts), nitǝma- `der unterste'
Armenian: ni-, n- `nieder'
Old Greek: sup. ep. néi̯ato-, néato-, ark. nḗato-, nē̂to- (Hsch.) `unterster, ässerster', néi̯aira f. `die unterste, unten befindlich'; nei̯óthe(n) `von unten', nei̯óthi `unten'
Russ. meaning: нижний, низ
References: WP II 335 f
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