twenty-seven-year-old
Meaning
Being twenty-seven years of age
A person who is twenty-seven years old
Structure
Usage
She is a talented twenty-seven-year-old architect.
The study focused on a group of twenty-seven-year-olds.
He got his first leading role as a twenty-seven-year-old.
Etymology
The term is a modern English compound adjective and noun formed by combining cardinal numbers with the unit of time 'year' and the descriptor 'old'. 'Twenty' originates from the Old English 'twēntig', meaning 'two tens', a formation common in Germanic languages. 'Seven' derives from the Proto-Germanic 'sebun', a stable numeral with ancient Indo-European roots. The hyphenated construction 'year-old' follows a productive English pattern for stating age, where the unit 'year' (from Old English 'gēar', meaning a cycle or period) is linked to 'old' (from Old English 'eald', meaning aged) to create a cohesive descriptive phrase. The entire compound logically and transparently denotes a person or thing whose age is precisely twenty-seven years.
Analysis
twenty: From Old English 'twēntig', meaning 'group of twenty'. A cardinal number. seven: From Old English 'seofon', meaning the number after six. A cardinal number. year-old: A compound suffix from Old English 'gēar' (year) and 'eald' (old), indicating age.