Another Modern English cognate even closer to <i>shyne</i> than "sheen" is "shine" (and obviously the German "schein"). The words for "beautiful", "fair", "bright", "shining", "well-reputed", "righteous" have a long history of being related:<p><a href="https://en.wiktionary.org/wiki/schinen#Middle_English" rel="nofollow">https://en.wiktionary.org/wiki/schinen#Middle_English</a> (to shine, to appear)<p><a href="https://en.wiktionary.org/wiki/skyr#Middle_English" rel="nofollow">https://en.wiktionary.org/wiki/skyr#Middle_English</a> (clear-coloured, pale, light, luminous, radiant)<p><a href="https://en.wiktionary.org/wiki/sciene#Old_English" rel="nofollow">https://en.wiktionary.org/wiki/sciene#Old_English</a> (beautiful, fair, brilliant, shining)<p><a href="https://en.wiktionary.org/wiki/Reconstruction:Proto-Germanic/sk%C4%ABnan%C4%85" rel="nofollow">https://en.wiktionary.org/wiki/Reconstruction:Proto-Germanic...</a> <i>skīnaną</i> (to shine, to appear)<p><a href="https://en.wiktionary.org/wiki/Reconstruction:Proto-Germanic/sk%C4%ABriz" rel="nofollow">https://en.wiktionary.org/wiki/Reconstruction:Proto-Germanic...</a> <i>skīriz</i> (pure, clear, sheer)<p><a href="https://en.wiktionary.org/wiki/Reconstruction:Proto-Germanic/skauniz" rel="nofollow">https://en.wiktionary.org/wiki/Reconstruction:Proto-Germanic...</a> <i>skauniz</i> (beautiful, shining)<p>and ultimately the PIE<p><a href="https://en.wiktionary.org/wiki/Reconstruction:Proto-Indo-European/(s)%E1%B8%B1eh%E2%82%81y-" rel="nofollow">https://en.wiktionary.org/wiki/Reconstruction:Proto-Indo-Eur...</a> (s)ḱeh₁y- (to shine)<p>There are cognates absolutely everywhere in modern Germanic languages:<p><a href="https://en.wiktionary.org/wiki/sk%C3%ADr#Icelandic" rel="nofollow">https://en.wiktionary.org/wiki/sk%C3%ADr#Icelandic</a> <i>skír</i> (bright, clear, pure)<p><a href="https://en.wiktionary.org/wiki/skir#Swedish" rel="nofollow">https://en.wiktionary.org/wiki/skir#Swedish</a> (sheer, delicate, shining)<p>And even in Slavic languages:<p><a href="https://en.wiktionary.org/wiki/Reconstruction:Proto-Slavic/sijati" rel="nofollow">https://en.wiktionary.org/wiki/Reconstruction:Proto-Slavic/s...</a> <i>sijati</i> (to shine, to illuminate)<p><i>Skauniz</i> was even borrowed to Proto-Finnic and highly conserved in modern Finnish, Estonian, Ingric, etc. which all have <i>kaunis</i> meaning "beautiful"!<p><a href="https://en.wiktionary.org/wiki/Reconstruction:Proto-Finnic/kaunis" rel="nofollow">https://en.wiktionary.org/wiki/Reconstruction:Proto-Finnic/k...</a>