quinquagenarian

quinquagenarian Definition

quin·qua·ge·nar·ian (kwin′kwə jə ner′ē ən, kwiŋ′-)

adjective

50 years old, or between the ages of 50 and 60

Etymology: < L quinquagenarius < quinquageni, fifty each < quinquaginta, fifty < quinque, five + -ginta < IE *-omt- < base *dekṃ, ten

noun

a person of this age

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