language, speech

a barrier, an obstruction

障壁, 牆壁, 墻壁: a barrier, an obstruction / 牆壁, 墻壁: fences and walls, a hedge / 峭壁: a steep cliff / 晶癖: crystal habit

wall

(crystallography) crystal habit

言語: language / 原語: the original language

語源: etymology

元号: An era name. / 減劫: (Buddhism) A process whereby human lifespans decline from 80,000 years to 10 years, decreasing by one year each year or each century. / 減号: The negative or minus sign. / 賢劫:

外言語: external language

内言語: internal language