nonagenus

nonagenus [CL] 1 ninety each. nonaginta ‥ unde nonagenarius ‥ et ~us ‥ et nonagies Osb. Glouc. Deriv. 375. 2 (in comp numeral) ninetieth. Christi millenus centenus jungitur annus / cum nonageno, rex ibi castra locat Garl. Tri. Eccl. 49.