melo-comb. form
Stress is usually determined by a subsequent element and vowels may be reduced accordingly; see e.g.
melograph n.1Origin: Of multiple origins. Partly a borrowing from French. Partly a borrowing from Greek. Etymons: French mélo-, Italian melo-, German melo-; Greek μελο-.
Etymology: < French mélo-, Italian melo-, German melo-, and their etymon ancient Greek μελο-, combining form (in e.g. μελοποιΐα melopoeia n.) of μέλος melos n.The Greek element is found earliest in English in melody n. and related words, and subsequently in melopoeian n. and melopoeia n. in the 17th and early 18th centuries. A 17th-cent. Italian formation is melodramma melodrama n., after which is found also French mélodrame melodrame n.; mélomane melomane n. is apparently a late 18th-cent. French formation. German Melograph melograph n.1 is a mid 18th-cent. formation, apparently the earliest of a number of formations denoting musical instruments. English formations are found from the late 18th and early 19th centuries (see melodrama n., melodramatic adj., melologue n., melodeon n.2).
This is a new entry (OED Third Edition, June 2001; most recently modified version published online January 2018).