par-dessus

/paʁ.də.sy/
1.
preposition / adverb

over; on top of; across (physically)

Il a sauté par-dessus la barrière pour récupérer le ballon.

He jumped over the fence to retrieve the ball.

Synonyms:au-dessus de, sur
2.
adverb (idiomatic)

on top of that; besides; moreover (used in expressions like «par-dessus le marché»)

Il a raté le train et, par-dessus le marché, il a perdu ses clés.

He missed the train and, on top of that, he lost his keys.

Synonyms:en plus, de plus, en outre, de surcroît