The word "Swayn" is a variant spelling of "swain," which means "a young man, especially a country one." The spelling "swain" is more commonly used and follows the traditional English pronunciation. The IPA phonetic transcription for "swain" is /sweɪn/. The "s" and "w" sounds are pronounced separately, while the "ai" makes a long "a" sound, and the "n" is barely pronounced. The spelling "Swayn" may have come about through variation in regional accents or personal preference.
The word "swayn" comes from the Old English word "swēn", which eventually evolved into "swain" in Middle English. The Old English term referred to a young man or a servant. In Middle English, "swain" developed various meanings, such as a young lover, a countryman, or a servant. The word can also be traced back to the Old Norse word "sveinn", meaning servant or lad. Ultimately, both "swēn" and "sveinn" have Germanic origins, with possible connections to Proto-Germanic and Proto-Indo-European roots.