The spelling of the word "gianniotis" follows the Greek language phonetics. The first syllable "gi-" is pronounced like "yee" as in "yield". The second syllable "-an-" is pronounced as "ahn" as in "John". The final syllable "-i-o-tis" is pronounced as "ee-oh-tis" with emphasis on the "oh" sound. In IPA, the spelling is /jiː.ɑː.niː.ˈɒ.tɪs/. Gianniotis is a common Greek surname and is often seen in international athletic competitions as Greek athlete Spyros Gianniotis is a well-known long-distance swimmer.
The surname "Gianniotis" is of Greek origin. It is derived from the Greek given name "Ioannis", which is the equivalent of the English name "John". The suffix "-otis" is a common Greek patronymic ending, indicating "son of". Therefore, "Gianniotis" means "son of Ioannis/John" in Greek.