The spelling of the word "bourton" can be confusing for English learners as it doesn't follow typical English pronunciation rules. In IPA phonetic transcription, it would be spelled /bɔːtən/, with the long "o" sound and schwa at the end. The origin of the word may shed light on its spelling. "Bourton" is a town name in England, and it's possible the spelling has been influenced by Middle English or Old English, which used different spelling conventions than modern English.