The phrase "am there" is spelled using standard English spelling rules. The "a" sound is represented by the letter "a", while the "m" sound is represented by the letter "m". The "th" sound is represented by the letter combination "th", and the "er" sound is represented by the letters "e" and "r". The IPA phonetic transcription for "am there" is /æm ðɛr/. This transcription shows the pronunciation of each individual sound in the word.
The phrase "am there" does not have a distinct etymology as it is not used as a standalone word or phrase in the English language. However, if you are referring to the phrase "I am there", it is a simple construction in English. "I" is the first-person singular pronoun, "am" is the first-person form of the verb "to be" in the present tense, and "there" is an adverb indicating a location or presence.