Kvilius

Cf. Kvilis, Kvilỹs (see). The origin is unclear. Cf. lit. kivilti „nirti“, iz-kivilti „išnirti“: I izvilu leg Ign. (LKŽ VI 1094). But other connections are also possible, cf. Latin Kvilsons ¹, Polish. Chwil (SSNO II 42), Chwila ², etc.