ばらまく
ばらまく · baramaku · JLPT N1 · verb-godan
to disseminate
🌾 ばら (rose/scatter) + まく (sow): sow seeds broadly, so the idea spreads widely
まく (撒く) means to scatter or sow by hand, like seeds. ばら- means loose or separate, as in ばらばら. Scattering things loose gives you 'disseminate'.