“forty” in Latin

quadraginta: quadrageni (a distributive; forty apiece, etc., at once or together, especially with substantives that are used in the plur. number only). Containing forty, quadragenarius (e.g., a tube of forty inches in diameter, fistula quadragenaria): every forty years (= once in forty years), quadragesimo quoque anno: forty years old, quadraginta annos natus; quadraginta annorum (of forty years): forty times, quadragies: done forty times, *quadragies factus, etc.: of forty days, quadraginta dierum: forty thousand, quadraginta millia: each or to each forty thousand; also forty thousand at once or together, quadrageni milleni. quadragena millia (especially of substantives used in the plur., number only): forty thousand times, quadragies millies: the forty thousandth, quadragies millesimus.