(Latin: heat, warm; related to caust-, (fire, burn, burnt, burner))

(Latin: warm, lukewarm; slightly warm)

(Greek: heat, heating, heater, hot, warm)

(Latin: to make warm, heat)

(from the depths of the ocean floors to the highest mountains, from dry deserts to grasslands, and the warm and wet tropical areas; all provide each form of life its preferred habitat)

(an abnormal way of getting warm in the freezing conditions of a Canadian winter as expressed by Robert Service)