τοσοῦτος, τοσαύτη, τοσοῦτο

27.5 Adding the prefix τοσ– makes οὗτος αὕτη τοῦτο refer to the quantity of someone or something: so great, so large. The inflection of this pronoun exhibits the following pattern, which follows closely that of τοιοῦτος τοιαύτη τοιοῦτο:

• The prefix τοσ– replaces the initial τ found in some inflected forms of οὗτος αὕτη τοῦτο.
• The stem τοσουτ– changes to τοσαυτ– if the case ending includes either an η or an α.
• The persistent accent is on the penult.