poussières

/pu.sjɛʁ/poussière
1.
nounfemininePlur

dust (fine particles of dirt); (in everyday speech) the dusting/particles that collect on surfaces

Il y a des poussières sur l'étagère, je vais passer un chiffon.

There is dust on the shelf; I'll wipe it with a cloth.

2.
nounfemininePlur

informal quantifier: “and a bit more / and change” (used after a round number)

Le billet m'a coûté 100 euros et des poussières.

The ticket cost me €100 and change.