peal (n.)
mid-14c., "a ringing of a bell" especially as a call to church service, generally considered a shortened form of appeal (n.), with the notion of a bell that "summons" people to church (compare similar evolution in peach (v.)). Extended sense of "loud ringing of bells" is first recorded 1510s.
peal (v.)
1630s, from peal (n.). Related: Pealed; pealing.