ततोऽर्धं विजयच्छन्दः ॥ कZ_०२.११.०८ ॥
tato'rdhaṃ vijayacchandaḥ
Half of that (Indracchanda) is called “Vijayacchanda”.
To support flexible issuing (partial requisitions) while keeping bookkeeping consistent through named, recognized fractions.