Added 9 October 2026
diadem
/ˈdaɪ.əˌdɛm/ noun
Latin root: diadēma Wiktionary
noun Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about diadem at Wordnik → Where our words come from →
Origin
From Middle English diademe, dyademe, from Old French diademe, from Latin diadēma, from Ancient Greek διάδημα (diádēma, “band, especially worn around a tiara”), from διαδέω (diadéō, “bind around”).
From Wiktionary, via Kaikki.org (CC BY-SA)