. . "A khaidoa was a unit of measurement of time, used by the Romulan civilization. (ENT novel: The Good That Men Do) The manner the term was used in the novel suggests that it is the Romulan equivalent of a month."@en . . "Khaidoa"@en . . "A khaidoa was a unit of measurement of time, used by the Romulan civilization. (ENT novel: The Good That Men Do) The manner the term was used in the novel suggests that it is the Romulan equivalent of a month."@en . .