horologium

Etymology
From, from. In reference to Eastern Orthodoxy, via its development. See. .

Noun

 * 1)   or , a timekeeping device.
 * , the book of hours in Eastern Orthodoxy and Catholicism.
 * , the book of hours in Eastern Orthodoxy and Catholicism.

Etymology
From. See.

Noun

 * 1) device used to measure the time of day, particularly
 * 2) sundial
 * 3) water clock
 * 4)  clock, watch