We went on a school trip to the zoo.
When spring comes, let's go on an outing to the ocean.
We went on an excursion to Hanshin Koshien Stadium to watch a baseball game and root for the Hanshin Tigers.
Far feet are feet that have gone on long excursions. These feet have been on some trips, man. They've seen some things.
This is a jukugo word that uses the on'yomi readings of the kanji. You should be able to read this on your own.