Tolkappiyar

“ It occurs with declination of nouns: color, shape, measure, taste, coolness, hotness, fear, goodness, evil, smallness, largeness, hardness, softness, ferocity, agedness, youth, superiority, inferiority, novelty, oldness, source (of becoming) , absence, possession, small, going without, multitude, fewness, detachment, etc. ”

“ It ramifies into [kaal] , [pur’am] , [agam] , [ul’] , [ul”ai] , [kiil”] , [mee’l] , [pin] , [saar] , [ayal] , [pudai] , [thee’] , [mun] , [idai] , [kadai] , [thalai] , [valam] , [idam] , etc. 560, 77, 15 Functional nature of case morphemes Case morpheme is linked in noun phrase as suffix. 561, 78, 16 It correlates the noun with other portion of the sentence. ”