Correct spelling for the English word "Sciatical" is [sˈa͡ɪətˌɪkə͡l], [sˈaɪətˌɪkəl], [s_ˈaɪ_ə_t_ˌɪ_k_əl] (IPA phonetic alphabet).
Pert. to rheumatic affections of the hip.
Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874.
The word "sciatical" is derived from the medical term "sciatica". The etymology of "sciatica" can be traced back to Latin. It is derived from the noun "sciaticus", which means "pertaining to the hip or the sciatic nerve". The Latin term "sciaticus" itself originates from the Greek word "ischiadikos", which also refers to the same concept. The term "sciatica" is used to describe the pain or inflammation that occurs along the sciatic nerve, which runs from the lower back through the hips and down each leg.