arngku (p. 22) கிறேன், அரங்கினேன், வேன், அரங்க, v. n. To become depressed, lowered, pressed down, அழுந்த. (p.) அரங்க, inf. [used adverbially.] Thoroughly, entirely. (p.) மரத்தையரங்கத்தறி. Prune the tree thoroughly. நூலரங்கக்கற்றோர். Those who are well versed in a science. அரங்கல், v. noun. Becoming depressed, lowered, pressed down. 41)