Added 10 October 2026
enkephalin
noun
noun Definition from Wiktionary (CC BY-SA). More about enkephalin at Wordnik → Where our words come from →
- Any of a group of pentapeptide endorphins that have opiate-like effects
Origin
From Ancient Greek ἐγκέφαλος (enképhalos, “brain”) + -in.
From Wiktionary, via Kaikki.org (CC BY-SA)