TIMOLOL

ˈtī-mə-ˌlōl noun

( -s )

Etymology: tim- (of unknown origin) + -olol (as in propranolol — herein)

: a beta-blocker C 13 H 24 N 4 O 3 S used in the form of its maleate salt to treat glaucoma and to reduce the risk of second heart attacks