Etymology

From the Late Latin octateuchus, from the Byzantine Greek ὀκτάτευχος [βίβλος] ‎(oktáteukhos [bíblos], “[a volume] containing [the first] eight books [of the Old Testament]”), from the Ancient Greek ὀκτα- ‎(okta-, “eight”, combining variant of ὀκτώ) +‎ τεῦχος ‎(teûkhos, “book”).

Pronunciation

• (Received Pronunciation, UK) IPA^(key): /ˈɒktətjuːk/