A word appearing in a note from 1968 along side a (primitive?) variant ✶nimpĭ, both derived from the root √NIP meaning “small” but usually with connotation of weakness (VVT48/18).
Quenya
nípa
small; small & frail
nípa
adjective. small (usually with connotation of weakness)
nípa adj. "small; small & frail". The word is said to mean "small" with "connotation of weakness". Also *nimpë (VT48:18)