Etymograph

English

inoperculate

From in- + operculate.

Formed from in- + operculate

Proto-Indo-European *h₁én ‘in’

Proto-Germanic *in ‘into’

English in-

Proto-Italic *opweriō

Latin operiō ‘to close’

Latin operculum ‘to furnish with a lid’

Latin operculātus

English operculate

Today it means

adj Having no operculum; said of certain gastropod shells.

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

Etymograph / inoperculate