This is the 3836th most frequent French word.
abattus
"Abattus" means "dejected" or "downcast."
In this sentence, "abattus" is used as an adjective describing the workers who are physically or mentally exhausted due to the heat.
Les ouvriers abattus par la chaleur estivale travaillaient avec peine.
The workers, overcome by the summer heat, worked with difficulty.
Here, "abattu" is the past participle of the verb "abattre," used to indicate cutting down trees.
Ils ont abattu plusieurs arbres pour dégager le terrain.
They felled several trees to clear the land.
In this context, "abattu" functions as an adjective describing someone who is emotionally distressed.