Correct spelling for the English word "allegate" is [ˈalɪɡˌe͡ɪt], [ˈalɪɡˌeɪt], [ˈa_l_ɪ_ɡ_ˌeɪ_t] (IPA phonetic alphabet).
The word "allegate" does not have an established etymology as it is not a commonly used or recognized word. It appears to be a combination of "allege", meaning to assert without proof, and the suffix "-ate", which is often used to form verbs. However, it is important to note that "allegate" is not a widely accepted or recognized term in the English language.