ræsta
sagnorð
t, [rás], to clear, clean out; ræsta styfldan læk, to clear out the brook which had been ‘stifled’ or dammed up, Dropl. 34.
2. to clean, sweep; ræstu þeir síðan ok ruddu borgina, Bret. 100; konur skolu ræsta húsin ok tjalda, Nj. 175; lét konungr ræsta höllina, vóru þá í brott bornir hinir dauðu, Fas. i. 83, Fb. i. 212; hence comes undoubtedly the mod. ó-ræsti, an unclean, dirty person; as also ó-ristinn, of a person who goes to sleep without undressing, liggja ó-ristinn; þyrptusk menn at honum ok þóttusk eigi vita hvat úræst var, Fms. ii. 160.