vertu

/vɛʁ.ty/
1.
nounfeminineSing

virtue

moral excellence

La patience est une grande vertu.

Patience is a great virtue.

2.
nounfeminineSing

beneficial property

useful effect (often of a product, plant, remedy)

Ce baume a des vertus apaisantes pour la peau.

This balm has soothing properties for the skin.