^De Vaan, Michiel (2008), “gutta”, inEtymological Dictionary of Latin and the other Italic Languages (Leiden Indo-European Etymological Dictionary Series; 7), Leiden, Boston: Brill,→ISBN,page276
“gutta”, inCharlton T. Lewis and Charles Short (1879),A Latin Dictionary, Oxford: Clarendon Press
“gutta”, inCharlton T. Lewis (1891),An Elementary Latin Dictionary, New York: Harper & Brothers
"gutta", in Charles du Fresne du Cange’sGlossarium Mediæ et Infimæ Latinitatis (augmented edition with additions by D. P. Carpenterius, Adelungius and others, edited by Léopold Favre, 1883–1887)
gutta inRamminger, Johann (16 July 2016 (last accessed)),Neulateinische Wortliste: Ein Wörterbuch des Lateinischen von Petrarca bis 1700[1], pre-publication website, 2005-2016
“gutta”, inWilliam Smith, editor (1848),A Dictionary of Greek and Roman Biography and Mythology, London: John Murray
54. And how, Ambattha, is the Bhikshuguarded as to the doors of his senses? When, Ambattha, he sees an object with his eye he is not entranced in the general appearance or the details of it. He sets himself to restrain that which might give occasion for evil states, covetousness and dejection, to flow in over him so long as he dwells unrestrained as to his sense of sight. He keeps watch upon his faculty of sight, and in the faculty he undergoes restraint.
