Exsudar

Exsudar is a verb in Portuguese that denotes the slow release or emission of a substance through a surface, or the gradual outward appearance of a quality. It is commonly used to describe liquids or semi-solids that seep or ooze from a material, such as resin from a tree bark, sap through wood, or moisture through walls. It can also be used metaphorically to indicate that a fragrance, odor, or atmosphere seems to emanate from something.

Originating from Latin exsudare, formed from ex- "out" and sudare "to sweat," exsudar is cognate with the Latin term and with the everyday verb sudar, which means "to sweat." In modern Portuguese, exsudar is primarily encountered in formal, literary, or technical contexts. It is used in both European and Brazilian Portuguese, though frequency varies by region and register.

Examples in Portuguese include: "A resina exsuda da casca da árvore" and "A umidade exsuda pelas paredes." In figurative use, a quality or impression may be described as exsudar or exudar, though more common verbs for such meanings include exalar, emanar, or emitir. For human perspiration, sudar is preferred.