Mum's the word Mum's the word Mum's the word is a popular English idiom. It is related to an expression used by William Shakespeare, in "Henry VI, Part 2". The word “mum” is a slanged version of momme, which was used between 1350-1400 in Middle English with very close to the same meaning: Be silent; Do not reveal "Mum's the word" means to keep silent or quiet. "Mum" is a Middle English word meaning 'silent', and may be derived from the "mummer" who acts without speaking. Note the similar English word "mime" (Old English "mīma", Latin "mimus") meaning silent actor or imitator. The
Proposals for an English Academy the broad historical picture from pre-Roman times; some specialised in common law developments from the twelfth century. However, others began a serious study of the early-medieval origins of English culture and identity. In so doing, they made considerable use of Anglo-Saxon manuscripts in both Old English and Latin to supplement still thin published sources. A large number of the contributions to their discussions were published by Thomas Hearne in the eighteenth century and these give several indications of how the antiquaries worked. For example, on 24 November 1599, the Society chose to discuss the antiquity, etymology and variety of English