Is it farther or further?
intensely emotional; passionate
Latin torrere 'to dry with heat'
1580s, in torrid zone "region of the earth between the tropics," from Latin torrida zona, from fem. of torridus "dried with heat, scorching hot," from torrere "to parch," from PIE root *ters- "to dry" (see terrain). Sense of "very hot" is first attested 1610s.