Gertsch is a surname, and it is pronounced as /ɡɜːrtʃ/, with the emphasis on the first syllable. The phonetic transcription for the word Gertsch indicates that the first letter is a voiced velar plosive (g) followed by the central open-mid vowel sound (ɜː). This is then followed by the alveolar affricate (tʃ), which is a combination of the stop consonant (t) and the fricative (ʃ). Therefore, the correct spelling of the word Gertsch is essential to accurately represent its pronunciation.