An ancient narrow-mouthed jar was called a 'yan' vessel.
Tips
history
弇 is not used independently in modern Chinese. It appears in classical texts meaning 'to cover' or, of a vessel, 'narrow-mouthed'. It stacks 合 (to close together) over the two-hands radical 廾, picturing hands closing something shut.
register
Archaic and literary only; encountered in old texts and etymology notes. Some classical sources also give a reading yì with the sense 'respectful'.