proverbial

adjectives

of or relating to or resembling or expressed in a proverb
"he kicked the proverbial bucket"; "the proverbial grasshopper"
is derived from
pertains to
widely known and spoken of
"her proverbial lateness"; "the proverbial absentminded professor"; "your proverbial dizzy blonde"
is similar to
apprehended with certainty
"a known quantity"; "the limits of the known world"; "a musician known throughout the world"; "a known criminal"