The word 'peromelus' is a rare and little-known term that refers to someone who constantly complains or finds fault. Its spelling can be a bit tricky as it includes a combination of letters that are not commonly used in English. In IPA phonetic transcription, it would be transcribed as /pɛrəˈmɛləs/. The stress falls on the second syllable, and the 'o' is pronounced as a schwa sound. While this word is not commonly used, it can be a useful term to have in one's vocabulary, especially when dealing with a habitual complainer.
A monster with defective limbs.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.