mientras

Etymology
From (already sparsely attested in the 13th century),, from an older , , which was influenced by the preposition  and adverbial  (compare , ,  and ), inherited from. 13th-century Old Spanish generally uses or, but the form  gained greater currency in the following centuries.

Adverb

 * 1) meanwhile

Conjunction

 * 1)  while, whilst, as at the same time as
 * 2)  as long as, so long as expressing a condition
 * 3)  however much, however many, “the..., the...”
 * 4)  while, whereas indicating difference
 * 1)  however much, however many, “the..., the...”
 * 2)  while, whereas indicating difference
 * 1)  however much, however many, “the..., the...”
 * 2)  while, whereas indicating difference
 * 1)  while, whereas indicating difference
 * 1)  while, whereas indicating difference