heddlu iaith

== Welsh == === Etymology === From heddlu (“police”) +‎ iaith (“language”), "language police". === Pronunciation === (North Wales) IPA(key): /ˌhɛðlɨ̞ ˈjai̯θ/ (South Wales) IPA(key): /ˌhɛðli ˈjai̯θ/ === Noun === heddlu iaith m (uncountable, not mutable) (derogatory) language police, grammar Nazis (especially in the context of the Welsh language)