The story
From Ancient Greek παρασύνθετος (parasúnthetos) + -ic, from παρά (pará, “beside”) + σύνθετος (súnthetos, “compound, composite”).
Etymology from Wiktionary, CC BY-SA 4.0.
parasynthetic
Today it means: Being a compound word formed by parasynthesis, i.e. by adding several affixes simultaneously, without “intermediate” forms. Full definition →