ˈzekˌstīn adjective
Usage: usually capitalized
Etymology: German, literally, mine stone, from zeche mine (from Middle High German, company, society) + stein stone, from Old High German; akin to Old English teohh company, society, teohhian to determine, propose, Old High German zehōn to order, arrange, and probably to Gothic gateihan to tell — more at diction , stone
: of or relating to a subdivision of the European Permian — see geologic time table