descortinar

Des- (“un-; dis-”) +‎ cortinar (“curtain”) +‎ -ar.

• (Brazil) IPA^(key): /des.ˌkoɾ.t͡ʃi.ˈna(ɾ)/

descortinar (first-person singular present indicative descortino, past participle descortinado)

1. to reveal something by opening curtains
   • 1920, Revista da Academia Brasileira de Letras, volumes 7–8, Letra Capital, page 177:

     Antes, porém, de abrir o velario, descortinando o palco onde se iniciariam as suas primeiras e ruidosas façanhas de combatente, […]

     However, before I set up the theater awning, uncurtaining the stage where his first grandiose deeds as a fighter would begin, […]

2. (figuratively) to reveal (to show what was hidden or unknown)
   • 2007 (originally 1997), Dom Dadeus Grings, A igreja de Cristo para o terceiro milênio, 2^nd edition, EDIPUCRS, page 13:

     Numa visão retrospectiva descortina um passado, […]

     It reveals a past in a restrospective vision, […]

3. to observe a panorama
   • 1950, João Batista de Mello Souza, Historias do Rio Paraíba, Aurora, page 293:

     Ao cabo de meia hora de jornada, quase sempre em subida, começamos a descortinar o vale do Paraíba até a Bocaina.

     After half an hour of travel, almost always going up, we began to observe the Paraíba valley up to Bocaina.

• (to reveal): mostrar, revelar
• (to deforest): desflorestar