▁is ▁a ▁dis solute ▁Ven et ian ▁l ust ing ▁after ▁O th ello ' s ▁wife ▁Des dem ona . ▁ ▁R oder igo ▁has ▁opened ▁his ▁pur se ▁to ▁I ago ▁in ▁the ▁mistaken ▁belief ▁that ▁I ago ▁is ▁using ▁his ▁money ▁to ▁p ave ▁the ▁way ▁to ▁Des dem ona ' s ▁bed . ▁ ▁When ▁the ▁assass ination ▁of ▁Michael ▁Cass io ▁runs ▁am iss , ▁I ago ▁fat ally ▁w ounds ▁R oder igo . ▁ ▁Shakespeare ' s ▁source ▁for ▁O th ello ▁was ▁the ▁tale ▁" Un ▁Capit ano ▁Mor o " ▁by ▁Cin th io , ▁and , ▁while ▁Shakespeare ▁closely ▁followed ▁his ▁source ▁in ▁compos ing ▁O th ello , ▁R oder igo ▁has ▁no ▁counter part ▁in ▁Cin th io . ▁The ▁character ▁is ▁completely ▁Shakespeare ' s ▁in vention . ▁ ▁S ources ▁O th ello ▁has ▁its ▁source ▁in ▁the ▁ 1 5 6 5 ▁tale ▁" Un ▁Capit ano ▁Mor o " ▁from ▁Gli ▁H ec at omm ith i ▁by ▁Giovanni ▁Batt ista ▁Gir ald i ▁Cin th io . ▁ ▁While ▁no ▁English ▁translation ▁of ▁Cin th io ▁was ▁available ▁in ▁print ▁during ▁Shakespeare ' s ▁lifetime , ▁it ▁is ▁possible ▁the ▁dram at ist ▁knew ▁the ▁Italian ▁original , ▁Gabriel ▁Ch app uy ' s ▁ 1 5 8 4 ▁French ▁translation , ▁or ▁an ▁English ▁translation ▁in ▁manuscript . ▁Cin th io ' s ▁tale ▁may ▁have ▁been ▁based ▁on ▁an ▁actual ▁incident ▁occurr ing ▁in