Clockwork (noun)

A mechanism that operates in a precise, regular, and predictable manner, like the inner workings of a clock.

Origin:

The term 'clockwork' originated in the 16th century as a metaphor for the workings of a mechanical clock, which were powered by a spring that had to be wound in order to keep time. the word has since come to refer to any mechanism that operates in a precise, regular, and predictable manner, like the inner workings of a clock.

Examples:

1. The clockwork of the watch was delicate and required careful handling.
2. The human body has its own clockwork, with hormones regulating the various functions.
3. The economy operates like clockwork, with predictable ups and downs.
4. The plan was intricate, like clockwork, and executed without a hitch.
5. The government's response was clockwork-smooth, with every step taken in precise order.