Meaning

noun a swollen bruise caused by a blow to the eye

noun something that shines (with emitted or reflected light)

noun important food fish of the northern Atlantic and Mediterranean; its body is greenish-blue with dark bars and small if any scales

originFrom Middle English schyner, equivalent to shine + -er. Compare Old English sċīnere (“one who produces deceptive appearances, magician”).

Etymology from Wiktionary, CC BY-SA 3.0