The word "prerighteousness" is spelled with a prefix "pre", followed by the base word "righteousness". The prefix "pre" indicates that the word refers to something that comes before, in this case, righteousness. The phonetic transcription of the word is /pri-raɪtʃəsnəs/. The stress falls on the second syllable "rai", and the "ch" sound is represented by the phonetic symbol /tʃ/, which is a combination of the "t" and "sh" sounds. This uncommon word means a righteousness that is established beforehand.
"Prerighteousness" is not a recognized word in standard English. It does not have an established etymology. It seems to be a neologism or a combination of the prefix "pre-" meaning "before" and the word "righteousness" meaning morally upright or virtuous behavior.