[いちぞういちげん, ichizouichigen] (n) { Buddh } 16, 800, 000-year period over which a human lifespan increases from ten years to 84, 000 years (by one year per century) and then decreases back to ten (by one year per century)
[ねんき, nenki] (n) (1) period of an apprentice's contract (usu. ten years); (2) (abbr) (See 年季奉公) apprenticeship; indentureship; indenture; (3) (年期 only) one-year period