It's the origin of many words in English, including:
* Digit: A number, especially one of the ten Arabic numerals 0 to 9.
* Digital: Relating to fingers or toes. Also used to describe technology that uses numbers or digits.
* Digitize: To convert something into a digital format.
So, the next time you see "digitus" in a word, remember that it's a reminder of the fingers and toes that help us interact with the world around us.