The word "niggah" is often used as a slang term among some African American communities. It is essentially the same as the word "n*gga", but spelled with an "h" at the end instead of an "er". The IPA phonetic transcription for this word is /ˈnɪɡə/, with the stress on the first syllable. It is important to note that while this term may be used casually amongst some groups, it is still considered derogatory and offensive by many others. It is always best to use respectful language and avoid using potentially hurtful words.
The word "niggah" is a variant of the term "nigga", which itself is a variant of the racial slur "nigger". The term "nigger" originated from the Spanish and Portuguese word "negro" meaning "black". It was later adopted as a derogatory term primarily used to dehumanize and oppress African Americans during the transatlantic slave trade and throughout periods of racial discrimination.
Over time, "nigga" emerged as a variant used within African American Vernacular English (AAVE), also known as Ebonics. This variant became more popularized through various forms of African American music, particularly in hip-hop and rap culture, where it was often used as a term of endearment, camaraderie, or solidarity among black individuals.