IPA: /ˈswɛtˌbænd/
KK: /ˈswɛtˌbænd/
A piece of fabric or material worn around the head or wrist to soak up sweat during physical activities.
He wore a sweatband to keep the sweat from dripping into his eyes while running.
Sweatband is formed from "sweat" (from Old English *swæt*, meaning moisture or perspiration) and "band" (from Old English *banda*, meaning a strip or ribbon). The word "sweatband" refers to a band worn to absorb moisture or perspiration, typically during physical activities.
Think of a 'band' that helps absorb 'sweat' — that's why a sweatband is used to keep you dry during exercise.