Afield (adverb)

1. To or in a field or fields.
2. Away from home or one's usual place.
3. Off the subject.

Origin:

Middle english, from a- + field field.

Examples:

1. He went afield to hunt for deer.
2. She went afield to find the perfect location for her new house.
3. He went afield to search for a new job.
4. The discussion went afield and no longer pertained to the topic.
5. The company is taking its business afield and expanding internationally.