This is also a type of poecilonym or hybrid word; cf. such a word as “aeneolithic” (=chalcolithic) in English.

Maybe we could all use a few spanking old poecilonyms. Poecilonym? It's an old synonym for synonym that you'll find in these pages. But many words in this dictionary have no real counterparts in today's English.

>> Is there another word for synonym?
>Actually, there is: poecilonym
Take care, though; ‘poecilonym’ can only be used for the taxonomic meaning of ‘synonym’--an incorrect or obsolete systematic name for a genus or species.

It's high time I looked for another job and got as far away from homonyms, synonyms, antonyms — to say nothing of caconyms, eponyms, and poecilonyms!

Poecilonym

Meaning

Noun