栲たくたくMeanings1nounpaper mulberryarchaicArchaic term for the paper mulberry tree (Broussonetia papyrifera), whose bark was used for making traditional Japanese paper. Modern Japanese normally uses 楮 (こうぞ).See also: カジ古ふるい文ぶん献けんでは、栲たくは和わ紙しの原げん料りょうとして記しるされている。In old documents, 栲 is recorded as a material for Japanese paper.