potholder

[pot-hohl-der]

noun

a thick piece of material, as a quilted or woven pad, used in handling hot pots and dishes.

Origin of potholder

First recorded in 1940–45; pot¹ + holder

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Lucky she wasn't a heavy-weight, or that pot-holder wouldn't have stood the strain.
Shorty McCabe
Sewell Ford

also potholder, the cloth variety so called by 1902, from pot (n.1) + holder.