Where does “might-be” come from?

might-be (English) comes from English might, from Old English meahte, from Old English maġan, from Proto-West Germanic magan, from Proto-Germanic maganą, from Proto-Indo-European (me)mógʰe, from Proto-Indo-European megʰ- — to be able.

might-be (English): That might be or occur; possible; potential;...

Definitions

  1. That might be or occur; possible; potential;...

Ancestry of “might-be”, step by step

might-be traces back through two separate lines of ancestry.

via English might

StepLanguageWordMeaning
1EnglishmightPower, strength, force or influence held by a...
2Old Englishmeahtepast subjunctive of maġan
3Old Englishmaġancan, to be able
4Proto-West Germanicmaganto be able, may
5Proto-Germanicmaganąto be able, may
6Proto-Indo-European(me)mógʰeto have power, to be able to
7Proto-Indo-Europeanmegʰ-to be able

via English Be

StepLanguageWordMeaning
1EnglishBeAs an auxiliary verb
2Middle EnglishbeAlternative form of been; Alternative form of...
3Old EnglishbēoI become, I will be, I am; bee
4Proto-Germanicbiumifirst-person singular present active indicative...
5Proto-Germanic*beuną
6Proto-Indo-Europeanbʰew-to grow, swell; to swell, wax, grow; to blow; to...
Every word from Proto-Indo-European megʰ-Every word from Proto-Indo-European (me)mógʰeEvery word from Proto-Germanic maganą