here, so far, thus Aramaic of koh (כֹּה "thus" H3541)
Full Brown-Driver-Briggs lexicon entry
כָּהadverbhere (Biblical Hebrew כֹּה; ᵑ7 Mandean כָּא; Christian-Palestinian Aramaic ; Syriac with prefixes, as hither, where?); — Dan 7:28עָדכָּֿה סוֺפָא דִימִֿלְּתָאhitherto (compare Jer 48:47; Jer 51:64) is the end of the matter.