Webster's Revised Unabridged Dictionary · 1913

Thermantidote

Thermantidote , noun

[Greek {not transcribed} heat + English antidote.]

A device for circulating and cooling the air, consisting essentially of a kind of roasting fan fitted in a window and incased in wet tatties. [India]
Will you bring me to book on the mountains, or where the thermantidotes play? — Kipling