verb

lessiver

scrub · wash

Laver ou nettoyer quelque chose avec beaucoup d’eau et un produit pour enlever la saleté.

Definition & meaning

The verb lessiver generally refers to the act of cleaning something thoroughly using water and a detergent or cleaning agent. It has a few distinct applications:

To wash or scrub: It is most commonly used in a domestic context, meaning to wash walls, floors, or surfaces with a soap solution (lessive).
To launder: It can refer to washing clothes or linens in a machine or by hand.
To exhaust or drain (figurative): In informal or colloquial French, it means to exhaust someone completely, leaving them physically or mentally drained (similar to "wiping someone out").
Geology/Chemistry: In a technical sense, it refers to the process of "leaching"—the removal of soluble substances from a soil or material by the action of percolating water.

Grammar & Word origin

Grammar:

It is a regular verb of the first conjugation (-er).
It is a transitive verb, meaning it requires a direct object (e.g., "Je lessive le mur").

Origin: The word originates from the Old French lessive (meaning lye or washing water), which comes from the Latin lixiva, derived from lixivius ("made into lye"). It is fundamentally linked to the historical practice of using ashes (potash) mixed with water to create a strong cleaning solution.