കള, തള, വള

കള, തള, വള have similar etymologies. Each comes from the corresponding -അളയുക form of the verb.

കളയുക (to discard) > കള (that which is discarded) weed

തളയുക (to be fettered) > തള (that which fetters) > anklets

വളയുക (to bend) > വള (that which is bent) > bangle

Do you know other nouns that follow this pattern?