Proto-South Dravidian :
Tamil : kaṭuku
Tamil meaning : Indian mustard, Brassica juncea, mustard seed
Malayalam : kaṭuku
Malayalam meaning : mustard
Kodagu : kaḍu
Kodagu meaning : mustard
Number in DED : 1137
sdret-tam,sdret-tammean,sdret-mal,sdret-malmean,sdret-kod,sdret-kodmean,sdret-kt,sdret-dednum,