Circa 1230, Middle English descorde, discorde; from Anglo-Norman, Old French descort (derivative of descorder), descorde (“disagreement”); from Latin discordia, from discord-, discors (“disagreeing, disagreement”), from dis- (“apart”) + cor, cordis, cord-, cors (“heart”)
Verb derives from Middle English discorden, from Anglo-Norman, Old French descorder, from Latin discordāre, from discord-, as above.
discord (countable and uncountable; plural discords)
- Lack of concord, agreement or harmony among persons, groups, or things.
- Tension or strife resulting from a lack of agreement; dissension.
- (music) An inharmonious combination of simultaneously sounded tones; a dissonance.
- Any harsh noise, or confused mingling of sounds.
Related terms 
strife resulting from lack of agreement; dissension
discord (third-person singular simple present discords, present participle discording, simple past and past participle discorded)
- (archaic) To disagree; to be at variance; to fail to agree or harmonize; clash.
- Francis Bacon
- The one discording with the other.