It seemed that in the latter half of the period of Tang Dynasty, 'haboku' meant 'Sansui (landscape, hills and rivers) expressed with assembled Bokuten (inking) that is quickly and sharply painted' (He Huijian).
唐代後半には、「速く鋭い筆法で描く墨点の集合で表現する山水」の意味だったらしい（何恵鑑）。