diffuse
v.
1520s (transitive), 1650s (intransitive), from Latin diffusus, past participle of diffundere "to pour out or away" (see diffusion). Related: Diffused; diffusing.
adj.
early 15c., from Latin diffusus (see diffuse, v.).
〔李〕[dif-（dis-）=apart 开；fus=to pour 倾倒；-e⇒“to pour apart in every direction 向四面八方洒开”→] vt. scatter widely 使散开，使扩散
〔蒋〕[dif-分开，散开，fus流;’分开流”，’散开流”→到处流] 散开，传播，(使)散开，(使)扩散