دخِنَ يَدخَن، دَخَنًا ودُخْنَةً، فهو أَدْخَنُ

دَخُنَ، صار كلونِ الدُّخان، كدِرَ فصار إلى السَّواد

🇬🇧 Translation:

Became smoky/dusky, became like the color of smoke, became murky turning to blackness (Turned dusky/gray)