I. ˈhärm noun
Etymology: Middle English, from Old English hearm; akin to Old High German harm injury, Old Church Slavic sramŭ shame
Date: before 12th century
1. : physical or mental damage : injury
2. : mischief , hurt
II. transitive verb
Date: before 12th century
: to cause harm to
Synonyms: see injure
• harm·er noun