Self-component pictograph, traditionally read as an axe-head — the symbol of a man capable of office and military service. Visually distinguished from
土 (earth) only by relative stroke length: in
士 the top horizontal is longer than the bottom; in
土 the bottom is longer. Itself Kangxi radical #33, anchoring
壮 (strong),
壹 (one — formal), and the warrior-scholar family.