A single stage in the history of a family or a period of time in which people are born and live; can also refer to a specific version or iteration of a product.

A period of history; an age or a specific time characterized by a particular person or style.

The entire duration of a single ruling dynasty.

(literary) All of one's life; the duration of a person's existence from birth to death.

(dialectal) Together; in a row; at the same time