OCTO-


Meaning of OCTO- in English

/ ˈɒktəʊ-; NAmE ˈɑːktoʊ-/ (also oct- ) combining form

(in nouns, adjectives and adverbs) eight; having eight :

octagon

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WORD ORIGIN

from Latin octo or Greek oktō eight.

Oxford Advanced Learner's English Dictionary.      Оксфордский английский словарь для изучающик язык на продвинутом уровне.