baseboard

US /ˈbeɪs.bɔːrd/
UK /ˈbeɪs.bɔːrd/
"baseboard" picture
1.

plinthe

a narrow wooden board or other strip of material running along the base of an interior wall, covering the joint between the wall and the floor.

:
We need to install new baseboards after the flooring is done.
Nous devons installer de nouvelles plinthes une fois le revêtement de sol terminé.
Dust often collects on the top edge of the baseboard.
La poussière s'accumule souvent sur le bord supérieur de la plinthe.