Standard Lemma guide

person-year

noun · 1 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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1

noun

Meaning 1

One person's working time for a year, or the equivalent, used as a measure of how much work or labor is required or consumed to perform some task.

Definition source: English Wiktionary via Wiktextract

Examples

  • Meronyms: person-hour, man-hour < person-day, man-day < person-month, man-month
  • Altogether it took hundreds of person-years to build the bridge and dam, and such a payroll is not cheap.

Meaning relationships

Synonyms: man-year

Antonyms: none provided

History

Etymology

Compound of person + year, although, as with any such unit of measure (e.g., ton-miles, newton metres), the mathematical relationship of multiplication is simultaneously involved: X persons working during Y years = X × Y = Z person-years.

Across languages

Translations

6 source translations are retained for this English entry.

  • Chinese Mandarin: 人年 (rénnián) — one person's working time
  • Finnish: henkilötyövuosi — one person's working time
  • French: année-homme — one person's working time
  • Greek: ανθρωποέτος (anthropoétos) — one person's working time
  • Italian: anno-uomo — one person's working time
  • Japanese: 人年 (ninnen) — one person's working time