English Quiz "Telecommuting" in English? Question

Telecommuting seems to have taken root in Japan recently. How about at your workplace?
This quiz is about how to say "telecommuting" in English. How do you say "work at home" in English?

work + preposition + home

What is the preposition between "work" and "home"?
Hint: It would be better not to think of it in the Japanese sense.

The answer will be in the next issue! Please look forward to it!