IPA: /ɪmˈpɜːrpl/
KK: /ɪmˈpɜrpl/
To change something to a purple color.
The artist decided to empurple the sky in her painting to create a dramatic effect.
Past: empurpled
Past Participle: empurpled
Empurple is formed from "em-" (meaning to cause to be) and "purple" (from Old English "purpul", meaning the color purple). The word "empurple" means to cause something to become purple or to color it purple.
Think of 'causing to be' ('em-') the color 'purple' — that's how you remember that 'empurple' means to make something purple.