Jastrow: מִישׁוֹר

מִישׁוֹר m. (b. h.; יָשַׁר) plain, level; common (cmp. בִּקְעָה). Yoma 75ᵃ (play on מישרים, Prov. XXIII, 31) עריות כולן דומות עליו כמ׳ all forbidden connections appear to him like a common (to which all have access). Ib. כל העולם … כמ׳ the entire world appears to him like a common (he disregards other people’s rights); Num. R. s. 10 עושה אותן הפקר כמ׳ he considers all sins free like a common. Ib. שנוטלין … בתיהם כמ׳ they (the oppressors) carry off all that belongs to them (the Jews), and their houses are left levelled like a common. Tanḥ. R’eh 3 אחת תחלתה קוצים וסופה מ׳ ואחת תחלתה מ׳ וכ׳ one road full of thorns in the beginning but level in the end, and one level in the beginning &c.; a. e.