From Ancient Greek ὀκτώ (oktṓ, “eight”) and Latin octō (“eight”).

octo- or before a vowel oct-

1. eight

• octa-
• ogdo-
• (chemistry): -oct-

• toco-, toco, Coto, coot, coto

From Ancient Greek ὀκτώ (oktṓ, “eight”) and Latin octō (“eight”).

octo-

1. octo- (all meanings)

• octogonaal

From Latin octō (“eight”) or Ancient Greek ὀκτώ (oktṓ, “eight”).

• IPA^(key): /ɔk.to/

octo-

1. octo-