twelvemonth

C2+ Topic:Communication

Also spelled twelve-month

US /ˈtwɛlvmʌnθ/ UK /ˈtwɛlvmʌnθ/ See IPA manual

Meanings

1

noun
an archaic term for a period of one year

He vowed to return within a twelvemonth and a day.

Thesaurus

Synonyms

1 noun · an archaic term for a... year annumtwelve-month

Word family

Related forms twelve month year

Etymology

A compound of twelve (from Old English twelf) + month (from Old English monath), attested in Old English as twelf-monath, meaning a full year.

twelf Old English monath Old English

View etymology graph ->

Topics

Communication Register & Style

External links

# twelvemonth

**Type:** Word
**Level:** C2+
**Part of speech:** noun
**IPA (US):** /ˈtwɛlvmʌnθ/
**IPA (UK):** /ˈtwɛlvmʌnθ/

## Meanings
1. an archaic term for a period of one year

## Examples
- He vowed to return within a twelvemonth and a day.

## Synonyms
- year
- annum
- twelve-month

## Related Forms
- twelve
- month
- year

## Roots and Affixes
- Root: twelf
- Root: monath

## Etymology
A compound of twelve (from Old English twelf) + month (from Old English monath), attested in Old English as twelf-monath, meaning a full year.

## AI Etymology
Twelvemonth is a compound of twelve (from Old English twelf) + month (from Old English monath), attested in Old English as twelf-monath, meaning a full year. Important recorded forms include twelf (Old English) and monath (Old English). Morphologically, the word preserves a built structure whose named elements carry the historical sense into English. The modern sense continues the older lexical line without requiring a separate origin. In current use it covers an archaic term for a period of one year. The wider family includes related words such as twelve, month, and year.

## Topics
- Communication
- Register & Style

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