The story
- Proto-Indo-European*ḱe?
- Proto-Indo-European*ḱóm
- Proto-Italic*kom
- Proto-Italic*kom-
- Proto-Indo-European*steh₂-
- Proto-Indo-European*sth₂éh₁yeti
- Proto-Italic*staējō
- Proto-Italic*staēō
- Proto-Italic*komstaēō
- Latincōnstō
- Latincōnstāns
- LatinCōnstāns /Cōnstantius
- LatinCōnstantīnus
- Ottoman Turkishكوستن (kösten)
- Ottoman Turkishایل (il)
- Ottoman Turkishكوستندیل (köstendil)
- BulgarianКюстенди́л (Kjustendíl)translit.
- English todayKyustendil
Transliteration of Bulgarian Кюстенди́л (Kjustendíl), borrowed from Ottoman Turkish كوستندیل (köstendil) From كوستن (kösten), the Turkified name of Konstantin Dragaš (a 14th-century Serbian magnate), and ایل (il, “county”). Literally, “Constantine's county”.
Etymology from Wiktionary, CC BY-SA 4.0.