Latin

operiō

‘to close, cover’

Every word has its own definition in its root. These English words share one: Latin operiō.

9 English words in this record descend from Latin operiō, most familiar first.

• cover ← coveren ← covrir ← cooperiō
• covert ← covrir ← cooperiō
• operculum
• coverture ← covrir ← cooperiō
• operculate ← operculātus ← operculum
• covercle ← cooperculum ← cooperiō
• forcover ← forcoveren ← coveren ← covrir ← cooperiō
• opertaneous ← opertāneus
• operculiform ← operculum

Etymograph / Latin operiō