עֵיפָהʻêyphâh

Pronunciation: ay-faw' · Hebrew/Aramaic (Old Testament) · H5890

Same root

עוּףʻûwph · H5774to fly; also (by implication of dimness) to faint (from the darkness of swooning)
עֵיפָהʻÊyphâh · H5891Ephah, the name of a son of Midian, and of the region settled by him; also of an Israelite and of an Israelitess

Where it appears

Appears 2 times in the Bible.

Job 10:22 It is a land as dark as midnight, a land of gloom and confusion, where even the light is dark as midnight.’”
Amos 4:13 For the Lord is the one who shaped the mountains, stirs up the winds, and reveals his thoughts to mankind. He turns the light of dawn into darkness and treads on the heights of the earth. The Lord God of Heaven’s Armies is his name!

Source: Brown, Driver and Briggs, Hebrew and English Lexicon of the Old Testament (1906), public domain; markup by unfoldingWord, CC BY (github.com/unfoldingWord/Brown-Driver-Briggs-Enhanced).