The word "Selwinn" is spelled with two syllables: /sɛlwɪn/. The first syllable, "sel", has an "e" sound followed by an "l" sound. The second syllable, "winn", has an "i" sound followed by a doubled "n" sound. The name Selwinn may have originated from Old English words such as "sel," meaning "hall" or "mansion," and "win," meaning "friend" or "protector." The spelling of this word may vary depending on regional accents, but the pronunciation remains the same.