septenarius
Pronunciation: /ˌsɛptɪˈnɛːrɪəs/
Definition of septenarius
noun ( plural septenarii /-rɪʌɪ/)
ProsodyOrigin:
early 19th century: from Latin, from septeni 'in sevens', from septem 'seven'
early 19th century: from Latin, from septeni 'in sevens', from septem 'seven'