Jaugilka
Jaugilka is a Lithuanian surname. It is likely derived from a diminutive form of a given name, possibly "Jonas" (John) or "Juozas" (Joseph), combined with a suffix. Surnames in Lithuania often originated from patronymic or occupational designations. Further etymological research may be needed to definitively determine the precise origin and meaning. The name "Jaugilka" and its variants are found primarily in Lithuania and among Lithuanian diaspora communities.