Dan 7:18 :קַדִּישֵׁי עֶלְיוֹנִין‏ : the saints of the most high ones
See the entire entry for ˁlywn n.m. most high one

Dan 7:18 :עַד־עָלְמָא וְעַד עָלַם עָלְמַיָּא‏ :
See the entire entry for ˁālam, ˁālmā n.m. eternity; world