first-day
UK[ˈfɜːst deɪ]US[ˈfɜːrst deɪ]
adj
Of or relating to the first day of something, especially a new job or experience.
Morpheme Breakdown
first
day
first
preceding all others
day
a period of 24 hours
Etymology
The compound adjective "first-day" is a transparent combination of two foundational English words. "First" originates from the Old English superlative form of a Germanic root meaning "foremost," establishing a concept of priority in sequence. "Day" descends from the Proto-Germanic term for the 24-hour cycle, a fundamental unit of time. Their union in Modern English logically creates a term specifying the initial 24-hour period of any new endeavor, most commonly applied to the commencement of employment or a significant activity. This compounding follows a straightforward Germanic pattern where an adjective modifies a noun to form a new, conceptually clear descriptor.
Analysis
Structure: first (preceding all others) + day (a period of 24 hours)
- first: From Old English fyrst, fyrest (foremost, earliest). Germanic origin, related to Old High German furist. Functions as a numeral adjective.
- day: From Old English dæg (day, period of daylight). Germanic origin, from Proto-Germanic dagaz. Functions as a noun.
Examples
All new employees attend a first-day orientation session.
She felt the typical first-day nerves before starting at the new school.
The company has a buddy system to help people through their first-day challenges.