birth and death; years of birth and death
Used in biographical contexts to indicate a person's lifespan, often seen in parentheses after a name, e.g., 生没年 (せいぼつねん).
His years of birth and death are unknown.
The birth and death of this author are not recorded.
years of birth and death
Standard kanji spelling for 'birth and death'.
Rare variant using 歿 (a less common character for 'death').
Compound of 生 (せい, 'birth') and 没 (ぼつ, 'death'). The variant 生歿 uses the character 歿, which also means 'death' but is less common.