Where does “septuagenary” come from?

septuagenary (English) comes from Latin septuagenarius, from Latin septuāgēnus, from Latin septuāgintā, from Latin septmāginta, from Proto-Indo-European septm̥̄ḱomt, from Proto-Indo-European septḿ̥-dḱomt — seven-ten.

septuagenary (English): Consisting of seventy; Seventy years old; A...

Definitions

  1. Consisting of seventy; Seventy years old; A...

Ancestry of “septuagenary”, step by step

StepLanguageWordMeaning
1Latinseptuagenariusseptuagenarian, of or relating to the number...
2Latinseptuāgēnusseventy each; seventy at a time
3Latinseptuāgintā
4Latinseptmāginta
5Proto-Indo-Europeanseptm̥̄ḱomt
6Proto-Indo-Europeanseptḿ̥-dḱomtseven-ten
Every word from Proto-Indo-European septḿ̥-dḱomtEvery word from Proto-Indo-European septm̥̄ḱomtEvery word from Latin septmāginta
septuagenary — Etymology, Origin & Word History | Etymology Explorer