I.antecedent to relat. ὅσος; Lat. tantus: of Size, Space, Quantity, so great, so vast: of Time, so long: of Number, in pl., so many: of Sound, so loud: of Degree, so much, so very:— often in Hom. and Hes., οὔτι τόσος γε ὅσος Αἴας not so huge as Ajax, Il.: absol. just so much or just so many, Od.; τρὶς τόσσα δῶρα thrice as many gifts, Il.; δὶς τόσα κακά Soph.
II.τόσον and τόσσον as adv., so much, so far, so very, Lat. tantum, τ. πλέες so many more, Il., etc.
3.τόσῳ with a comp., and by so much more, Thuc.