Proto-South Dravidian : *vaḷ-/*val-
Meaning : a k. of basket or dish
Tamil : vaḷḷam
Tamil meaning : a dish for use in eating or drinking, hour-glass, a measure for grain (= 4 marakkāl), a measure of capacity (= 2 or 4 paṭi), boat made of trunk of a tree, canoe
Tamil derivates : vallam ola basket
Malayalam : vaḷḷam
Malayalam meaning : canoe, boat of one trunk, large bamboo basket (holding 200-400 par_a of rice), a small measure
Malayalam derivates : vallam large basket to hold grain, grass, charcoal
Kannada : baḷḷa
Kannada meaning : a measure of capacity, the fourth part of a koḷaga or 4 mānas
Tulu : baḷḷa
Tulu meaning : a seer, measure of capacity equal to about one seer or eighty tolas
Notes : Probably two roots here: *vaḷ- 'dish, measure', *val- 'a k. of basket'.
Number in DED : 5315
