Spanish word caliente comes from Proto-Indo-European *ḱelh₁-
*ḱelh₁- (Proto-Indo-European)
*kalēō (Proto-Italic)
calere (Latin)
calentem (Latin)
caliente (Spanish)
(slang) horny (sexually aroused). Hot (close to finding or guessing something). Hot, warm (emitting heat or warmth).