Bible Dictionaries
Octa

Webster's Dictionary

(1):

A combining form meaning eight; as in octodecimal, octodecimal, octolocular.

(2):

A prefix meaning eight. See Octo-.

Bibliography Information
Webster, Noah. Entry for 'Octa'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​o/octa.html. 1828.