दुस्तरdustaramfn. (cf. ष्-ट्˚) difficult to be passed or overcome, unconquerable, invincible MBh. Ka1v. &c.
masculine, feminine and neuter; or adjective (confer, compare ष्-ट्that the rest of a word is to be supplied) difficult to be passed or overcome, unconquerable, invincible MBh. Ka1v. etc.