Is tamil derived from Sanskrit

[bis_mala]

Dear Bebeto,
Thanks for seeking the clarification.

mathiththal (Á¾¢ò¾ø) has several meanings.

mathi(Á¾¢) (verb Å¢¨É¡ø) > mathiththal Á¾¢ò¾ø (noun ¦ÀÂ÷¡ø ). (This is the verb-noun ¦¾¡Æ¢ü¦ÀÂ÷ variety).
This word Á¾¢ò¾ø has several meanings.
1. churning, causing something to turn repeatedly so as to soften it. ¸¨¼¾ø, ÍüÈ¢îÍÆüÈ¢ ¸ÊÉÁ¡É «øÄÐ ¸ðÊÂ¡É ¦À¡Õ¨Ç ¦ÁÐÅ¡ì̾ø *
2. being libidinuous.
3. estimating, considering, discerning, respecting.
We here dealt with the first * of the meanings.
Á¾¢ can also mean moon.
kadai. (noun). - shop (noun)

kadai (verb). - churn (verb) ¸¨¼¾ø - churning.
kadai (noun) = last; e.g. the last of the Sangams ¸¨¼îºí¸õ

kadai has also other meanings.
kadaikkaN ¸¨¼ì¸ñ - corner of the eye. (¸¨¼ = µÃõ.)
ithaz kadai thiRamin þ¾ú ¸¨¼ ¾¢ÈÁ¢ý - smile with the corners of your lips "stretched" . ¸¨¼ = ã¨Ä. ÓÊÔÁ¢¼õ.

kadaikkutti ¸¨¼ìÌðÊ - last child.
so on and so forth.

Kadai has about 11 meanings and it is also prefixed (Óý¦É¡ðÎ ) to other words to produce a variety of other terms with different meanings and connotations.

kadaippidi ¸¨¼ôÀ¢Ê = follow. À¢ýÀüÚ
kadaiyam ¸¨¼Âõ = the dance of Indrani. þó¾¢Ã¡½¢ ¿¼Éõ.
kadaiyayal = penultimate.
kadaippaadu ¸¨¼ôÀ¡Î = resolution ¾£÷Á¡Éõ (not kadappaadu ¸¼ôÀ¡Î «ýÚ ).

Here we considered the meanings to churn and last or end only.
This is not exhaustive. Only relevant meanings are discussed, Grateful for appreciation Bebeto!! Best regards.