wheelgun

Etymology tree
Proto-Indo-European *kʷel-
Proto-Indo-European *kʷekʷléh₂
Proto-Germanic *hweulō
Old English hwēol
Middle English whel
English wheel
Proto-Indo-European *gʷʰen-
Proto-Indo-European *-tis
Proto-Indo-European *gʷʰéntis
Proto-Germanic *gunþiz
Old Norse gunnr
Proto-Indo-European *kelh₂-der.
Proto-Indo-European *kelh₂tís
Proto-Germanic *hildiz
Old Norse hildr
Old Norse Gunnhildrder.
Middle English gunne
English gun
English wheelgun
From wheel + gun.