from Wiktionary, Creative Commons Attribution/Share-Alike License
from the GNU version of the Collaborative International Dictionary of English
- A combining form meaning eight.
from The Century Dictionary and Cyclopedia
- n. An element in words of Latin or Greek origin or formation, meaning ‘eight.’
From Ancient Greek ὀκτώ (oktō, "eight") and Latin octō ("eight"). (Wiktionary)
He was scrawny out of the water but pretty sleek in it, though he didn’t kick and neither did any of the other octo- and septuagenarians who swam around me.