Level?
Semantically unambiguous cognates to this root are missing from both Akkadian and MSA. Cf. Akk. emēḳu ‘to be wise’ and MSA *ˁamḳ- ‘midst, interior’.
PS
*ˁms - to be massive, compact, heavy
(Kogan 2015: 284)
*ˁVnz- - goat
(SED II No. 35, Fron. VI 29, HSED No. 240)
PS
*ˁapar- - soil; soft surface of the earth used for cultivation and as a building material (soil, dust)
(Fronzaroli 1968: 270, 287; HALOT 861, Kogan 2011: 189; Kogan 2015: 530)
*ˁrb/*γrb - to come in, to enter
(Kogan 2015: 333;409)
Only in Akk and Ugr - original meaning 'to enter'. Elsewhere in WS, only derived meanings (such as “to set (sun)” or “to stand surety”) are attested (HALOT 876, CDG 69)
PS
*ˁa/urub- - kind of vermin, worm
(SED II No. 36, Holma 1915: 91)