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English javelin
Gaulish gabulum (derived)
Proto-Celtic *gablā (derived)
Welsh gafl (cognate)
English gavelock (mention)
English gaffle (mention)
Old French javelline (derived)
Old French javelot (mention)
Old French *javel (mention)
Middle High German - (cognate)
Middle High German gabilot (mention)
Middle Low German - (cognate)
Middle Low German gaveline (mention)
Proto-Indo-European *gʰeh₁bʰ- (root)
Proto-Indo-European *gʰeh₁bʰ- (derived)
Old Irish gabul (cognate)

English javazon (blend)
English jav (clipping)
English javelineer (suffix)
English javelinist (suffix)