The word "bresler" is spelled with an "e" between the "b" and "s" because it is pronounced with a schwa sound, /ə/, between these two consonants. The IPA phonetic transcription for "bresler" is /ˈbrɛslər/. This means that the first syllable is pronounced as "breh" with an open "e" sound, followed by a syllable with a schwa sound. The final syllable is pronounced as "ler" with a clear "l" sound. The spelling of "bresler" reflects its pronunciation in English.