köken: From Middle High German belche, from Old High German belihha f, belihho m, from Proto-West Germanic *balikō, from Proto-Germanic *balikô (“coot”), from Proto-Indo-European *bʰel- (“white; to shine, gleam”). Cognate with Old Saxon beliko (“coot”), Latin fulica (“coot”).
köken: Alteration of dialectal lișcă, from Bulgarian лиска (liska) or Ukrainian лусуха (lusuxa). Alternatively from dialectal leșiță, leșaică, if a derivative of leș, an old word for Pole (compare Russian лях (ljax), Turkish Leh). Cf. the name for another duck species, rață leșească (“Muscovy duck”), literally ‘Polish duck’.
köken: According to Pokorny, from Proto-Indo-European *bʰel- (“to shine”). Compare Old High German belihha ("coot"; > modern German Belche), Ancient Greek φαλός (phalós, “white”), Sanskrit भाल (bhāla, “splendour”), Old Armenian բալ (bal, “fog”) and Old English bǣl (English bale).
köken: Etymology tree Proto-Slavic *lysъka Slovak lyska Inherited from Proto-Slavic *lysъka.
Slovenceliska
Litvancalaukys
Etimoloji
From szár (“yellowish, pale, bald”, obsolete in this sense) + -csa (diminutive suffix). The name is explained by the striking light spot on the body of the bird.