the.com/duo

Two people sharing credit, and eventually, blame.

means A pair of people who do something together, usually a performance, partnership, or act of mischief.

from From Latin 'duo,' simply meaning 'two' — the same ancient root (Proto-Indo-European 'dwo') that gives English 'dual,' 'double,' and 'duet.' The word walked into English pretty much unchanged, carrying its arithmetic straight over into anything done as a pair.

etymology
Latin for simply two
math fact
smallest number that can tango
breakup risk
one leaves, it becomes a solo
app sense
duolingo owl judges your streak alone
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