Arabic

ˀamarat- - sign, mark (Lane 97)

v. Moscati 1946: 124, Rundgren 1963: 182

PS
*ˀmr - to see (Kogan 2015: 331)
For semantic shift in PCS *ˀmr - ‘to say, to command’ see Moscati 1946: 125, Albright 1954: 229; Kogan 2015: 331. For possible semantic parallels in Indo-European v. Buck 1949:1257, Rundgren 1963:181