Webster's Revised Unabridged Dictionary · 1913

Harm

Harm (harm) , noun

[Old English harm, hearm, Anglo-Saxon hearm; akin to Old Saxon harm, German harm grief, Icelandic harmr, Danish harme, Swedish harm; compare OSlav. & Russ. sram' shame, Sanskrit crama toil, fatigue.]

1.
Injury; hurt; damage; detriment; misfortune.
2.
That which causes injury, damage, or loss.
We, ignorant of ourselves, Beg often our own harms. — Shakespeare

Harm (harmd) , transitive verb

[Old English harmen, Anglo-Saxon hearmian. See Harm, n.]

To hurt; to injure; to damage; to wrong.
Though yet he never harmed me. — Shakespeare
No ground of enmity between us known Why he should mean me ill or seek to harm. — Milton