Correct spelling for the English word "Concameration" is [kənkˈamɹəʃən], [kənkˈamɹəʃən], [k_ə_n_k_ˈa_m__ɹ_ə_ʃ_ə_n] (IPA phonetic alphabet).
An arch or vault.
Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874.
There is no widely recognized etymology for the word "concameration". Upon thorough research, no scholarly sources or reliable references could be found that provide a documented origin or in-depth analysis of the term. It's possible that "concameration" is a neologism or a rare word that has limited usage or recognition.