mid-forties
UK[ˌmɪd ˈfɔː.tiz]US[ˌmɪd ˈfɔːr.t̬iz]
n
the period of life between approximately 44 and 46 years of age.
n
the numbers in a series, especially temperatures or years, from 44 to 46.
Morpheme Breakdown
mid
forties
mid
middle
forties
plural of forty
Etymology
the term is a modern english compound, combining the old english root for "middle" with the cardinal number representing the fifth decade. the construction follows a transparent pattern in english for specifying the central part of a decade, whether applied to age, years, or other numerical ranges. this logical and literal formation reflects a pragmatic approach to creating precise descriptive terms without metaphorical shift, directly linking the constituent meanings to the whole.
Analysis
Structure: mid (middle) + forties (plural of forty)
'mid' originates from old english 'midd', meaning "middle," functioning as a combining form to denote the central point or period. 'forties' is the plural form of 'forty', from old english 'fēowertig', meaning "four tens," functioning as a noun to specify the decade or range.
Examples
she looks remarkably youthful for someone in her mid-forties.
the temperature is expected to drop to the mid-forties overnight.
many of the company's senior executives are in their mid-forties.