Correct spelling for the English word "capiched" is [kˈapɪt͡ʃt], [kˈapɪtʃt], [k_ˈa_p_ɪ_tʃ_t] (IPA phonetic alphabet).
The word "capiched" is actually a variant spelling of the phrase "capisce", which comes from the Sicilian and Southern Italian dialects of the Italian language. The correct standard Italian spelling would be "capisci".
"Capisce" is the second person singular present tense form of the Italian verb "capire", which means "to understand" or "to comprehend". It derives from the Latin verb "capere", meaning "to take" or "to grasp".
The word "capisce" was brought to the English-speaking world through Italian-American communities, particularly in the United States. It became popularized in various forms, such as "capiched", as a slang expression indicating understanding or agreement.