Chaha

xämä - like, as, according to, as... as (EDG 342)

In yä... xämä.

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).