Akkadian

kīma - like, in the manner of, as, according to, corresponding to, instead of, in lieu of (CAD K 367, AHw. 476)

PS
*kVma/kVmā - like, in the manner of (Arakelova 2001:18)
This preposition is usually considered to be a variant of *kV (with the enclitic -ma). However, the fact that in most languages it is used alongside with *kV and that in several languages only forms of this type are attested allows to speak of the independent status of this preposition (Tropper 2000:781, Arakelova 2001:19–20).