fishgig

[fish-gig] /ˈfɪʃˌgɪg/
noun
1.
a spearlike implement with barbed prongs for spearing fish in the water.
Also called fizgig.
Origin
1635-45; alteration (by association with fish) of fizgig, probably by folk etymology < Spanish fisga harpoon
British Dictionary definitions for fishgig

fishgig

/ˈfɪʃˌɡɪɡ/
noun
1.
a pole with barbed prongs for impaling fish Also fizgig
Word Origin
C17: of uncertain origin; perhaps altered from Spanish fisga harpoon