English
shadowboxing
From shadow + boxing.
Today it means
noun A form of solo exercise, involving throwing punches at the air, and not at an opponent.
Sources
Sources: Wiktionary, “shadowboxing”. By Wiktionary contributors, CC BY-SA 4.0, via kaikki.org (dump of Oct 3 2026); text adapted and restructured. Language periods are conventional ranges, not dates for this word. License.
Etymograph / shadowboxing