The present participle of 'encamp'; the act of setting up a temporary camp or settlement.
From encamp + -ing suffix forming the present participle.
In historical novels, you'll read about 'the encamping of troops' rather than 'the camping of troops'—the 'en-' version sounds more official and organized, which is perfect for military movements!
Complete word intelligence in one call. Free tier — 50 lookups/day.