სტიქსი (stik'si)=Styx????

სტიქსი (stik'si)=Styx????

WIKTIONARY: Etymology

From Ancient Greek Στύξ (Stux).

Styx, a goddess in Greek mythology
Styx, a nymph in Greek mythology

From the same source as στυγνος (“hatred”) and στυγνός (“gloomy”)