The term 'myoden' (rice field lot manage by a nominal holder) refers to a basic unit of the governance and (tax) collection in the shoen-koryo system (the system of public lands and private estates), and this existed from the mid-Heian period, throughout the Middle Ages in Japan.
名田（みょうでん）は、日本の平安時代中期から中世を通じて見られる、荘園公領制における支配・収取（徴税）の基礎単位である。