Correct spelling for the English word "Gyles" is [d͡ʒˈa͡ɪlz], [dʒˈaɪlz], [dʒ_ˈaɪ_l_z] (IPA phonetic alphabet).
The word "Gyles" is derived from the Greek name "Aegidius", which means "shield-bearer" or "protector". In English, this name was anglicized to "Giles" and later "Gyles". The name "Giles" has roots in medieval times and is often associated with a saint of the same name who was known for his acts of charity and protection. Over time, "Gyles" became a surname and continued to be used as a given name as well.