The name Kačupys means 'Cat River' (i. e. is could mean 'petty, inferior river').[2]
References
^ abB. Gailiušis, J. Jablonskis, M Kovalenkovienė (2001). Lietuvos upės (in Lithuanian). Kaunas: Lietuvos energetikos institutas. p. 507.{{cite book}}: CS1 maint: multiple names: authors list (link)
^Vanagas, Aleksandras (1981). Lietuvių hidronimų etimologinis žodynas (in Lithuanian). Vilnius: Mokslas.
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