Amharic

ṭäyyämä - to be dark of complexion, dark brown of skin (between ḳäy [light brown] and ṭəḳur [black])’ (AED 2172)

PS
*ṯ̣lm - to be dark, black (Bulakh 2003: 57; Bulakh 2006: 738; 740; Kogan 2011: 198; Kogan 2015: 237)