(Aramaic) corresponding to Yattiyr; preeminent; as an adverb, very -- exceeding(-ly), excellent.
see HEBREW Yattiyr
H3493. yattir
יַתִּיר adjective pre-eminent, surpassing (see Biblical Hebrew יתר); — masculine singular absolute ׳י Daniel 2:31; feminine singular יַתִּירָא 6:4, usually הָ֯ 4:33; 5:12, 14; as adverb exceedingly 3:22; 7:7, 19 (compare מתבריך יתיר EutSin. 498 which Lzb401 reads בריך יתירית).