It comes from the Latin word flectere, which has the same meaning.
Here are some examples of words that contain the root "flect":
* Reflect: To think deeply or carefully about something.
* Deflect: To change the direction of something.
* Inflect: To change the pitch or tone of one's voice.
* Flexible: Able to bend or be bent easily.
* Reflex: An automatic response to a stimulus.
The root "flect" is often used to describe the way something bends or changes direction.