-ode 1
a suffix of nouns, appearing in loanwords from Greek, where it meant "like"; used in the formation of compound words: phyllode. Cf. -oid .
[ -odes, prob. generalized from adjectives describing smells, as keódes smelling like incense; base od- of ózein to smell, give off odor ]
-ode 2
a combining form meaning "way," "road," used in the formation of compound words: anode; electrode.
[ -odos, comb. form of hodós ]