Опустилась

12 При захо́де со́лнца Авра́ма охвати́л глубо́кий со́н;

12 [At, In] [entering, entrance, the entrance] sun Abram [covered, seized] [deep, profound] [dream, sleep];

и тут кроме́шная тьма опусти́лась,

and here кромешная [dark, darkness] опустилась,

и у́жас объя́л его́.

and [fear, horror] embraced [his, him, it].

As the sun was going down,
a deep sleep fell on Abram.
And behold,
dreadful and great darkness fell upon him.
Genesis 15:12 ESV

And when the sun was going down,
a deep sleep fell upon Abram;
and,
lo,
an horror of great darkness fell upon him.
Genesis 15:12 KJV