Cameroon
soir
Meaning
the afternoon
Elsewhere
après-midi
Explanation
Standard French keeps soir for the evening. In much of West and Central Africa it starts after lunch, so three o'clock is already le soir.
Example
Passe me voir le soir, vers quinze heures.
Come round in the afternoon, around three.
Origin
Origin uncertain.
Where
Cameroon
Senegal
Côte d’Ivoire
Burkina Faso
Togo
Benin
Niger