[1875–80; skylight + -ed3, or reanalyzed as sky + lighted (ptp.)]This word is first recorded in the period 1875–80. Other words that entered Englishat around the same time include: cross-fertilization, knockabout, overdraft, pressure point, weekend-ed is a suffix forming adjectives from nouns. Other words that use the affix -ed include: bearded, monied, tender-hearted