type of small potato dumplings, 1891, from Italian gnocchi, plural of gnocco, from nocchio "a knot in wood," perhaps from a Germanic source akin to knuckle (n.), gnarled, etc. So called for their shape.
gnathic
gnatho-
gnaw
gneiss
*gno-
gnocchi
gnome
gnomic
gnomish
gnomist
gnomon