köken: From the 連(れん)用(よう)形(けい) (ren'yōkei, “stem or continuative form”) of the verb しるす (shirusu), which is cognate with the verb 知る (shiru) and the obsolete adjective しるし (shirushi) below. From Old Japanese. Ultimately from Proto-Japonic *sirosi.
köken: From the verb סמל (“to symbolize”). Compare Phoenician 𐤎𐤌𐤋 (sml, “symbol”). The sense of "symbol" was strengthened due to phono-semantic matching of English symbol.
aile: סמל ראשון, רב סמל, רב סמל ראשון, רב סמל מתקדם, רב סמל בכיר
köken: Continues Proto-Slavic *bělěgъ, ultimately of Oghur origin, from Proto-Turkic *bel- (“to denote”). Apparently, the Bulgarian term was reanalyzed to fit the Slavic morphology as if from Proto-Slavic *bělъ (“white”) + -ег (-eg). Cognate with Hungarian bélyeg (“post mark”), Chuvash палӑк (palăk, “sign, symbol”), Kazakh белгі (belgı, “mark, sign”). Akin to the nickname Бѣлгоунъ (Bělgunŭ) of tzar Ivan…