Genesis 27:1וַתִּכְהֶיןָ
When Isaac was old and his eyes were so weak that he could no longer see, he called his older son Esau and said to him, “My son.” “Here I am,” Esau replied.
Leviticus 13:6כֵּהָה
The priest will examine him again on the seventh day, and if the sore has faded and has not spread on the skin, the priest shall pronounce him clean; it is a rash. The person must wash his clothes and be clean.
Deuteronomy 34:7כָהֲתָה
Moses was a hundred and twenty years old when he died, yet his eyes were not weak, and his vitality had not diminished.
Job 17:7וַתֵּכַהּ
My eyes have grown dim with grief, and my whole body is but a shadow.
Isaiah 42:4יִכְהֶה
He will not grow weak or discouraged before He has established justice on the earth. In His law the islands will put their hope.”
Zechariah 11:17כָּהֹה
Woe to the worthless shepherd, who deserts the flock! May a sword strike his arm and his right eye! May his arm be completely withered and his right eye utterly blinded!”

Brown-Driver-Briggs

[כָּהָה] vb. be or grow dim, faint

Qal grow dim

Pi. grow faint

Sources: Brown-Driver-Briggs (1906, public domain) from the Open Scriptures Hebrew Lexicon (CC BY 4.0), glosses from STEPBible TBESH (CC BY 4.0); STEPBible TAHOT (Hebrew Bible, Leningrad Codex, CC BY 4.0); the Berean Standard Bible (public domain). Reformatted by Word Study, wording unchanged. All sources and licenses.