Akkadian

lasāmu - to run fast (CAD L 104, AHw. 538)

Cf. Ugr. lsm ‘to run, to hurry’ (Kogan 2015: 338)

Areal reconstruction

*lsm - to be swift (Kogan 2015:338)

Akk.-Ugr. *lsm ‘to be swift’ lacks etymological parallels.