noun
previous existence; future existence; transmigration
Buddhist term referring to past or future lives, or the cycle of rebirth. Rare in everyday conversation; mainly found in religious texts or discussions of reincarnation.
仏教では、他生の縁という考え方がある。
In Buddhism, there is the concept of connections from past lives.
彼は他生の存在を信じている。
He believes in the existence of past and future lives.
From Buddhist terminology, combining 他 (other) and 生 (life/existence). The exact historical derivation is uncertain, but it is a Sino-Japanese compound used in religious contexts.