Akkadian

ṭulīmu - spleen (CAD Ṭ 124, AHw. 1394)

PS
*ṭVlḥīm- - spleen (SED I No. 278; Kogan 2011: 219)

The metathetic variant + suffix *-(ī)m-. Cf. *ṭiḥāl- - spleen.