PCS

*ṭmˀ - to be unclean (Kogan 2015: 201)

Hebrew
ṭmˀ - to be ceremonially unclean (HALOT 375)
Syriac
ṭma - unclean (LSyr. 279, SL 535)
Arabic
ṭmˀ - to be unclean (a woman during menstruation) (TA 1 329)
Very marginally attested (ṭamaˀat il-marˀatu ˀiḏa ḥāḍat wa-ṭ-ṭamˀu l-ḥayḍu) and perhaps not genuine in Arabic.
Sabaic
ṭmˀ - defilement (SD 153)
Sabaic
h-ṭmˀ - to defile, to make impure (SD 153)