-cephalouscomb. form
Primary stress is attracted to the first syllable of this combining form and vowels may be reduced accordingly.
Origin: Of multiple origins. Partly a borrowing from Latin, combined with an English element Partly a borrowing from Greek, combined with an English element. Etymons: Latin -cephalus , -ous suffix; Greek -κεϕαλος , -ous suffix.
Etymology: < (i) classical Latin -cephalus (in e.g. cynocephalus cynocephalus n.) and its etymon (ii) ancient Greek -κεϕαλος (in e.g. ἀκέϕαλος headless (see acephalous adj.), δικέϕαλος two-headed (see dicephalous adj.), etc.), combining form of κεϕαλή head (see cephalo- comb. form) + -ous suffix. Compare French -céphale.Earliest in the 17th cent. in the adaptation from Latin and Greek polycephalous adj., and in further adaptations of words from Latin, Greek, and French from the 18th cent. (e.g. acephalous adj., autocephalous adj.).
This is a new entry (OED Third Edition, November 2010; most recently modified version published online March 2022).