"Pennach" is a Welsh word that refers to a "large, meaty piece of beef." The word is spelled as /ˈpɛnax/ in IPA phonetic transcription. The first syllable "pen" is pronounced as /pɛn/, which rhymes with the English word "ten." The second syllable "nach" is pronounced as /ax/, which is similar to the "a" in the English word "cat." The spelling of "Pennach" stays true to the Welsh language's unique vowel combinations, characterized by the use of "a," "e," and "y."