stagno

Etymology 1
From, , ultimately of origin.

Noun

 * 1)  tin, a metallic element

Etymology 2
From.

Noun

 * 1) pond, water hole
 * 2) tarn

Adjective

 * 1) watertight, waterproof

Etymology 1
.

Verb

 * 1)  to cover the land as a lake; to become a pool; to stagnate