gedanu noun English. Grain of wood; the direction in which cloth most readily tears. Example sentence: Subanen. Su guli'an linaksi' nami, melengas gupiai gedanu nen, pu' ki seputul dun, me'elapan nami tabla megatus bu lima pulu'. English. The ulian tree that we cut up into hand sawn boards had very nice grain, because from one log of it we were able to get 150 boards.