Belgium
bisser
Meaning
to repeat a school year
Elsewhere
redoubler
Explanation
Standard French pupils redoublent. In Belgium, Rwanda, Congo-Brazzaville, Burkina Faso and Mali they bissent the year.
Example
Il a dû bisser son année après avoir raté les examens de juin.
He had to repeat the year after failing the June exams.
Origin
From bis, twice, plus the verb ending. On record from 1820.
Where
Belgium
Rwanda
Congo-Brazzaville
Burkina Faso
Mali
Source