"How'm" is a contraction of two words: how am. It's usually seen in conversational speech, "how'm I doing? How'm I supposed to do this?"
"How" is an adverb in this phrase, modifying "am", which is a verb. The answer will describe the way in which the verb is done - "I am doing well, do this quickly".
part of speech
Adjective
What part of speech is thaw
The part of speech for oscillate is verb.
An adjective is a part of speech.
howm
The part of speech for this particular word is a noun.
part of speech
The part of speech for "answer" is a noun.
what part of speech is beneath
adverb
The part of speech for "explicit" is an adjective.
The part of speech for "lecturer" is a noun.
The part of speech for "rapid" is an adjective.
The part of speech of "came" is a verb.
The part of speech for "breezy" is an adjective.
The part of speech for "buried" is a verb.