English

maniverter

Blend of manifold + converter.

Proto-Celtic *menekkis ‘frequent’

Proto-Germanic *managaz ‘many’

Proto-Germanic *managafalþaz ‘various, diverse, manifold’

Old English maniġfeald ‘manifold, various, varied, complicated,…’

Middle English manifold

Today it means

noun A component that integrates the functions of exhaust manifold and catalytic converter.

Language periods are conventional ranges, not dates for this word.

Etymograph / maniverter