The spelling of the word "bybidder" is a bit peculiar. The IPA phonetic transcription of this word is /bɪˈbɪdər/, which indicates that the first syllable should be pronounced as "buh" rather than "by." The word itself refers to someone who places a higher bid in an auction, and it is not commonly used in modern English. However, it serves as an interesting example of how the pronunciation of a word can differ from its spelling.