adjective/a bu/
at the end of one's tether
“être à bout” — to be at the end of one's tether
Perhaps an ellipsis of à bout de forces or à bout de nerfs.
/a bu/
at the end of one's tether
“être à bout” — to be at the end of one's tether
Perhaps an ellipsis of à bout de forces or à bout de nerfs.