The company disseminated information about their new product widely through online platforms.

disseminated 是动词 disseminate 的过去式。disseminate 由前缀 dis-（表示"分散"）和词根 semin（来自拉丁语 semen，意为"种子"）组成，字面意思是"撒播种子"，引申为"传播、散布（信息或知识）"。