The spelling of the phrase "am prolix" may seem odd to some, but it is actually quite straightforward when broken down phonetically. "Am" is simply spelled as it sounds, with the short vowel "æ" (IPA: /æm/). "Prolix," on the other hand, contains the "pro-" prefix meaning "many" or "much," and the "lix" root meaning "words." The "o" sound in "pro-" is pronounced as a long vowel "oh" (IPA: /proʊ/), while the "i" sound in "lix" is pronounced as a short vowel "ih" (IPA: /lɪks/).
The word am prolix does not have an established etymology as it appears to be a combination of two distinct elements. Am is the first person singular present tense of the verb to be in English. On the other hand, prolix is an adjective derived from the Latin word prolixus, meaning extended or tedious. It refers to something being excessively long-winded or verbose. Therefore, am prolix does not have a specific etymology; rather, it is a simple combination of the verb am with the adjective prolix.