The Comprehensive Aramaic Lexicon

TgJ 1K17:17 :וַהֲוָה מַרעֵיה תַקִיף לַחדָא עַד דְלָא אִשתְאַרַת בֵיה נִשמָא : his sickness became so very bad that no life was left in him

See the entire entry for mraˁ, marˁā n.m. sickness