Proto-Nilgiri : *tird- (caus. *tirt-)
Meaning : to correct, straighten
Kota : tirt- (tirty-) "to change one's frame of mind"
Toda : tɨd- (tɨdy-) "to make straight (e. g. stick), correct (someone's character); tɨṣt- (tɨṣty-) to correct crookedness (of stick), (woman) lifts knees and holds them with her hands in sexual intercourse"
Number in DED : 3251