An archaic or rare verb meaning to put into tune, to harmonize, or to bring into musical or harmonic agreement.
From en- (to put into) + tune (musical pitch/harmony), following the productive English pattern of creating verbs by adding 'en-' to adjectives and nouns. This verb appears sparingly in English, mostly in older or poetic texts.
Entune is virtually extinct in modern English, but it reveals something fascinating: we have 'en-' verbs for almost every concept (enable, enlarge, enrich) yet we stopped using this one—probably because 'tune' as a verb was already strong enough on its own!
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