This is the 4779th most frequent French word.
rajouté
Added.
The word 'rajouté' here means 'added again or additionally' and implies an action that involves supplementing an initial amount with more sugar.
J'ai rajouté du sucre au gâteau pour qu'il soit plus sucré.
I added more sugar to the cake to make it sweeter.
In this context, 'rajouté' refers to adding an extra item (a chair) to an existing setup (the table arrangement).
Nous avons rajouté une chaise à la table pour accueillir un invité supplémentaire.
We added another chair to the table to accommodate an extra guest.
The term 'rajouté' here signifies the act of including an additional detail to an existing story to enhance it.