后缀：-wards [副词后缀]

表示“向...”、“朝...”

downwards 向下，朝下

upwards 向下，朝上

northwards 向北，朝上

southwards 向南，朝南

sunwards 向太阳

backwards 向后

outwards 向外

inwards 向内

词根词缀：deorsum-

【来源及含义】Latin: downward, downwards

【同源单词】deorsum, deorsumduction, deorsumvergence, deorsumversion

词根词缀：kato-, cato-

【来源及含义】Greek: down, downwards, below, underneath

【同源单词】catatropia, catodont, katolysis, katophoria, katotropia