Today's word has been used by English-speakers as far back as 1657, according to the Page-A-Day calendar.
antediluvian
1. of or relating to the period before the flood described in the Bible
2. made, evolved or developed a long time ago
From the calendar: By the early 1700s, antediluvian came to be used to describe anything or anyone prodigiously old. Darwin used it to describe the mighty "antediluvian trees" he saw in his travels.


