same-age

The compound adjective 'same-age' is a transparent modern English formation. Its first element, 'same', descends from the Proto-Germanic samaz, meaning "same", which has remained remarkably consistent in meaning. The second element, 'age', traces back to the Latin aetas (genitive aetatis), meaning "lifetime, age". The compound logically combines these two concepts to specify a shared temporal point in existence, primarily used to describe people, especially children or students, who were born in the same year or period. Its formation follows the common English pattern of combining a descriptive adjective with a noun to create a new, hyphenated attributive adjective.

Structure: same (identical) + age (time of life) - same: From Old English sama, meaning "identical, unchanged". It functions as an adjective indicating similarity or lack of difference. - age: From Old French aage, eage, ultimately from Latin aetaticum, meaning "time of life, period". It functions as a noun denoting the length of time a person or thing has existed.