suer means “sweat” | MotiTan French Dictionary

More examples

Après la course, il sue comme un bœuf.

After the race, he sweats like an ox.

Sweat seeping through the skin during heat, exertion, or strong emotion.

transpirer: To perspire in response to exercise or heat.
être en sueur: To be damp with sweat, including clothing made wet by perspiration.

Émettre de la sueur à travers la peau sous l'effet de la chaleur, d'un effort ou d'une émotion.

The French verb suer is inherited from Latin sudare through Old French, and it is related to the noun sueur.

The present forms je sue, tu sues, il sue, and ils suent are pronounced alike despite their different spellings.