Multiple from tesha'; ninety -- ninety.
see HEBREW tesha'
H8673. tishim
תִּשְׁעִים20 noun indeclinable ninety (archaic plural, DHMZMG xxxvii (1883), 9 f. PrätBAS i. 376, but compare Ges§ 97f.); — before singular noun: שָׁנָה Genesis 5:9; 17:17 +, אַמָּה Ezekiel 41:12, יוֺם 4:5, 9; less often after plural noun אֵילִים Ezra 8:35, compare Daniel 12:11; in combination, ׳תprocedes units 1 Samuel 4:15 7t.; following Genesis 5:17, 30; ׳ת following 100 Ezekiel 4:5, 9 4t.
BIBLICAL ARAMAIC
[Daniel 2:4-7:28 2:4b-7:28; Ezra 4:8-6:18; Ezra 7:12-26; Jeremiah 10:11; Genesis 31:47aβ.]
NOTE. - In the case of words common to Biblical Aramaic and Biblical Hebrew the etymological matter already given with the Hebrew words is not repeated here. The sign is prefixed to all words peculiar to the Biblical Aramaic. In other cases, except where ᵑ7 or Syriac is mentioned alone, it may be understood that the words occur also in the Aramaic of the ᵑ7s and in Syriac, even when this is not expressly stated.