белка

From бел (bel, “white”) +‎ -ка (-ka).

белка • (belka) f (plural белки)

1. egg white, albumen
2. white of the eye, sclera
3. white female

From Old East Slavic бѣлъка (bělŭka, “squirrel”), diminutive of бѣла (běla, “squirrel”) (see -ка (-ka)), from бѣла вѣверица (běla věverica, “white squirrel”). See бе́лый (bélyj, “white”), ве́верица (véverica, “squirrel; ermine, stoat”).

• IPA^(key): [ˈbʲelkə]

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бе́лка • (bélka) f anim (genitive бе́лки, nominative plural бе́лки, genitive plural бе́лок)

1. squirrel (mammal)

• ве́кша (vékša)

• беличий (beličij)
• белочка (beločka)

• IPA^(key): [bʲɪlˈka]

белка́ • (belká) m inan

1. genitive singular of бело́к (belók)

• Vasmer (Fasmer), Max (Maks) (1964–1973), “белка”, in Etimologičeskij slovarʹ russkovo jazyka [Etymological Dictionary of the Russian Language] (in Russian), translated from German and supplemented by Trubačóv Oleg, Moscow: Progress
• Černyx, P. Ja. (1999), “белка”, in Istoriko-etimologičeskij slovarʹ russkovo jazyka [Historical-Etymological Dictionary of the Russian Language] (in Russian), volume 1, 3rd reprint edition, Moscow: Russkij jazyk, page 82
• Sreznevskij, I. I. (1893), “белка”, in Materialy dlja slovarja drevne-russkago jazyka po pisʹmennym pamjatnikam [Materials for the Dictionary of the Old Russian Language According to Written Monuments] (in Russian), volume 1, Saint Petersburg: Imperial Academy of Sciences, page 217