longevity
/lɒnˈd͡ʒɛv.ɪ.ti/ noun
Forms longevities longævity
- noun The quality of being long-lasting, especially of life. “Grandpa had incredible longevity: he lived to be 105 years old!”
- noun Duration over time; persistence.
Synonyms
Etymology
Early 17th century, learned borrowing from Latin longaevitās, from longaevus (“ancient, aged”) + -itās. The first part is related to English long and this association led to the alternative pronunciation with /ŋ/.
Webster’s 1913
Etymology [L. longaevitas. See Longevous.]
Sources: Wiktionary · WordNet 3.0 · Webster’s 1913 — from the Wiktionary entry “longevity”, CC BY-SA 4.0. Details