clangor (n.)

"make a loud, sharp, resonant, metallic sounds," 1570s (intransitive), echoic (originally of trumpets and birds), akin to or from Latin clangere "resound, ring," and Greek klange "sharp sound," from PIE *klang-, nasalized form of root *kleg- "to cry, sound." Transitive sense is by 1850. Related: Clanged; clanging.

"making clangor," 1712, from Medieval Latin clangorosus, from Latin clangor; or else from clangor + -ous. Related: Clangorously; clangorousness.