Simple past tense and past participle of harm.(verb)
Wiktionary.org : Text is available under the Creative Commons Attribution-ShareAlike License
Use "harmed" in a sentence
"The reason that black people were disparately harmed is because more black people lived in the area."
"The reason that these particular individuals are being harmed is entirely beside the point."
"These pundits will urge Obama to enact an economic recovery package in the Gipper's image, ignoring the long-term harmed caused by Reagan's brand of "trickle-down economics.""