NoDictionaries   Text notes for  
... regnum tueretur, pars Armeniae, ut cuique finitima, P[h]ar[a]s[ma]ni Pol[emon]ique...

ut <pars> cuique finitima: "cuique" referring to the list of neighboring kings which follows and "finitima" modifying "pars," "the part (of Armenia) adjoining each (neighboring kingdom)."