Etymology
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sheen (n.)

"shining, brightness," 1602 (first attested in "Hamlet" iii.2), noun use of adjective sheene "beautiful, bright," from Old English scene, sciene "beautiful; bright, brilliant," from Proto-Germanic *skauniz "conspicuous" (source also of Old Frisian skene, Middle Dutch scone, Dutch schoon, Old High German skoni, German schön "fair, beautiful;" Gothic skaunjai "beautiful"), from PIE root *keu- "to see, observe, perceive." It is related to show (v.).

Meaning "film of oil on water" is from 1970. As an adjective now only in poetic or archaic use, but in Middle English used after a woman's name, or as a noun, "fair one, beautiful woman."

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scone (n.)
"thin, flat soft cake," 1510s, Scottish, probably shortened from Dutch schoon brood "fine bread," from Middle Dutch schoonbroot, from schoon, scone "bright, beautiful" (see sheen) + broot (see bread (n.)).
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sheeney (n.)
"a Jew," 1816, of unknown origin; perhaps related to Russian zhid, Polish żyd, Czech zid "a Jew." Now a vulgar term of abuse, but used before c. 1870 by Jews and Gentiles without intent of insult.
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