Quenya 

lauca

warm

lauca ("k")adj. "warm" (LAW)

lauca

adjective. *warm, [ᴹQ.] warm

laucata-

verb. to heat up, warm

Quenya Group: Eldamo - neologism/reconstructions. Published by

saiwa

hot

saiwa adj. "hot" (LT1:248, 255, 265); rather lauca in Tolkien's later Quenya