Correct spelling for the English word "tabetical" is [tabˈɛtɪkə͡l], [tabˈɛtɪkəl], [t_a_b_ˈɛ_t_ɪ_k_əl] (IPA phonetic alphabet).
Affected with tabes; wasting by slow disease.
Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874.