The spelling of the name "Richler" can be explained using the International Phonetic Alphabet (IPA). The first sound, /r/, is a voiced alveolar trill. The second sound, /ɪ/, is a short vowel sound pronounced in the middle of the mouth. The third sound, /tʃ/, is a voiceless palatal affricate, pronounced with the tongue touching the hard palate. The fourth sound, /l/, is a voiced alveolar lateral approximant, pronounced with the tongue touching the alveolar ridge. The final sound, /ər/, is the schwa sound followed by a voiced alveolar trill.
There seems to be no specific information available regarding the etymology of the word "richler". It is possible that "richler" may be a surname or a proper noun associated with a specific individual or family, which might make its etymology personal to that particular name. However, without any further context or details, it is difficult to provide a definitive answer. It is recommended to provide additional information or context to assist in finding a more accurate answer.