The correct spelling of the word "am disposal" is actually "I am disposable", which means that someone is easily replaceable or disposable. The IPA phonetic transcription for this would be /aɪ æm dɪˈspəʊzəbl/. The "I" sound at the beginning is represented by /aɪ/, the "a" sound in "am" is /æ/, and "disposable" is pronounced as /dɪˈspəʊzəbl/. It's important to use the correct spelling and pronunciation to avoid confusion and miscommunication.
There doesn't appear to be a word "am disposal" in common usage. It seems to be a combination of two separate words: "am" and "disposal".
The word "am" is a conjugation of the verb "to be" in the first person singular form. It comes from the Old English word "eom" or "am", and has Germanic origins.
The word "disposal" comes from the Old French word "desposer", which means "to arrange". It ultimately traces back to the Latin word "disponere", meaning "to distribute or arrange".
However, the combination of "am" and "disposal" does not have a specific etymology or meaning on its own.