Correct spelling for the English word "Featness" is [fˈiːtnəs], [fˈiːtnəs], [f_ˈiː_t_n_ə_s] (IPA phonetic alphabet).
The word "featness" does not have an established etymology as it is not a widely recognized or commonly used word. It appears to be a neologism, which means it is a new word or term that has been recently created. As such, it is difficult to determine a specific origin or etymology for this word. However, it could potentially be analyzed as a combination of the word "feat", which means an impressive achievement or accomplishment, and the suffix "-ness", which is used to form nouns to denote a state or condition. Combining these elements, "featness" could be perceived as referring to the state or quality of being remarkable or extraordinary.