А-25

альфа и омега чего lit NP sing only fixed WO

1. the beginning and the end of sth. : the alpha and omega.

2. the very essence, the most essential components of sth. : the alpha and omega.

Судилище явное и судилище тайное - вот альфа и омега нашей жизни (Мандельштам 2). Trials, "open" or secret, were the alpha and omega of our existence (2a).

From the names of the first and last letters of the Greek alphabet. Used in the Bible (Rev. 1:8).