The spelling of the name "Sergios" derives from the Latin name "Sergius". In IPA phonetic transcription, it is pronounced as /ˈsɛr.dʒi.əs/. The first syllable "ser" is pronounced with an "e" sound, followed by a "dʒi" sound, and ending with an unstressed "əs". When spelled with the "os" ending, the name becomes "Sergios", which is also pronounced with an unstressed "os" sound at the end. Both variants have been used throughout history and in different cultures.
The name "Sergios" is of Greek origin and derives from the Greek name "Sergios" or "Serge", which ultimately comes from the Latin name "Sergius". "Sergius" is believed to be derived from the ancient Roman family name "Sergius", which was of uncertain origin.
Some theories suggest that the name "Sergius" might have originated from the Etruscan language, an ancient non-Indo-European language spoken in Italy. Other suggestions propose that it could be of Sabine or Oscan origin, both also ancient languages spoken in Italy.
Regardless of its exact origin, the name "Sergios" or "Serge" became popular among early Christians, as there were several saints and martyrs bearing this name. Over time, it spread to other cultures and languages, albeit with variations in pronunciation and spelling.