late 14c., "to glitter, sparkle," probably from or related to Low German glisteren, Middle Dutch glisteren, frequentative forms ultimately from the large group of Germanic gl- words for "smooth; shining; joyful," from PIE root *ghel- (2) "to shine." Related: Glistered; glistering. As a noun, from 1530s.
All is not golde that glistereth [Thomas Becon, "Reliques of Rome," 1563]