The spelling of the name "Ira Erwin" is relatively straightforward when using the International Phonetic Alphabet (IPA). "Ira" is pronounced as /aɪrə/ (eye-ruh), with the first syllable "I" pronounced as the vowel sound "ai" as in "ice" and the second syllable "ra" pronounced as the vowel sound "uh" as in "up". "Erwin" is pronounced as /ˈɜrwɪn/ (er-win), with the first syllable "Er" pronounced as the vowel sound "er" as in "her" and the second syllable "win" pronounced as the consonant sound "w" followed by the vowel sound "in" as in "win".
The etymology of the word Ira Erwin cannot be determined because Ira Erwin does not have a specific etymology. It appears to be a combination of two names, Ira and Erwin, which are personal names and do not have a specific linguistic origin. Ira is of Hebrew origin meaning watchful or vigilant, while Erwin is of Germanic origin meaning friend of the sea or friend of honor.