词根词缀：latero-, later-, lateri-, -lateral, -laterally

【来源及含义】Latin: side, sideways; flank

【同源单词】ambilateral, anterolateral, bilateral, bilateralism, bilaterally, collateral

词根词缀：octa-, octo-, oct-, octi-, octon-

【来源及含义】Greek > Latin: eight, eighth

【同源单词】octachord, octad, octagon, octagonal, octagynous, octahedral