Quenya 

naiquet-

to curse or blaspheme

naiquet- vb. "to curse or blaspheme" (PE17:151)

naiquet-

verb. to curse or blaspheme

Element in

Elements

WordGloss
nai-“ill, grievously, abominably”
quet-“to say, speak, tell, to say, speak, tell, [ᴱQ.] talk”

nai

ill, grievously, abominably

nai (2) prefix "ill, grievously, abominably" (PE17:151), cf. naiquet-. Earlier material also lists an interjection nai "alas" _(NAY; this may be obsoleted by # 1 above; _Namárië uses ai! in a similar sense)