Where does “sing-off” come from?

sing-off (English) comes from English off, from Middle English of, from Old English of, from Old English æf, from Proto-Germanic *ab, from Proto-Indo-European apó.

sing-off (English): A competition between two or more singers where each tries to do better than the last

Definitions

  1. A competition between two or more singers where each tries to do better than the last

Ancestry of “sing-off”, step by step

sing-off traces back through two separate lines of ancestry.

via English off

StepLanguageWordMeaning
1EnglishoffIn a direction away from the speaker or object;...
2Middle Englishofof; off; until
3Old Englishofof, from, off, out of
4Old Englishæfof
5Proto-Germanic*ab
6Proto-Indo-Europeanapó

via English sing

StepLanguageWordMeaning
1EnglishsingTo produce musical or harmonious sounds with...
2Middle EnglishsingenTo sing (something); to produce (certain) noises with one's voice
3Old Englishsinganto sing, chant
4Proto-West Germanicsingwanto sing
5Proto-Germanicsingwanąto sing
6Proto-Indo-Europeansengʷʰ-to recite; to sing
Every word from Proto-Indo-European apóEvery word from Proto-Germanic *abEvery word from Old English æf