[いしょうさんたん, ishousantan](n) taxing one's ingenuity in devising something; agonizing over designing or creating something; making strenuous efforts to devise good ways and means to do something[Add to Longdo]
[ひだのたくみ, hidanotakumi](n) historical system whereby the Hida region provided 10 carpenters per village the central government in place of taxes[Add to Longdo]