antediluvian

nouns

any of the early patriarchs who lived prior to the Noachian deluge

is derived from

a very old person

ancient, antediluvian

of or relating to the period before the biblical flood

"antediluvian man"

pertains to

so extremely old as seeming to belong to an earlier period

"a ramshackle antediluvian tenement"; "antediluvian ideas"; "archaic laws"

antediluvian, antiquated, archaic