اشن5 تأشّن He washed his hands with أُشْنَان [q. v. infrà]. (Msb, K.) أُشْنَةٌ [applied in the present day to Moss: and particularly, tree-moss: in Persian أُشْنَهْ: but] Lth says, (TA,) it is a thing that winds itself upon the trees called بَلُّوط and صَنَوْبَر [oak and pine] as though it were pared off from a root (كَأَنَّهُ مَقْشُورٌ مِنْ عِرْقِ); and it is sweet in odour, and white: (K, TA:) Az says, I do not think it to be [genuine] Arabic. (TA.) أُشْنَانٌ and إِشْنَانٌ, (Msb, K,) but the former is of higher authority than the latter, (TA,) i. q.  حُرْضٌ [Kali, or glasswort]: (Msb in the present art.; and S, A, Mgh, Msb, K, in art. حرض:) [and also potash, which is thence prepared;] a thing, or substance, well known, (K, TA,) with which clothes and the hands are washed; (TA; [see قِلْىٌ;]) good, or profitable, [as a remedy]  for the mange, or scab, and the itch; clearing to the complexion, cleansing, emmenagogue, and abortive. (K.) أُشْنَانَةٌ A vessel for حُرْض [or for أُشْنَان as meaning potash]; syn. مِحْرَضَةٌ. (A in art. حرض) أُشْنَانِىٌّ A seller of أُشْنَان. (TA.)