戴

Wrapping halberd radical (Kangxi #62) — the indexing radical, distributed around the figure: stroke 2 is the top-right point, strokes 14-16 are the sweeping right diagonal and lower hook. Originally the picture was a ceremonial dagger-axe carried while bearing a headdress; the 戈 frames the whole act. Same radical anchors 战, 我, 成 — the weapon-and-banner family.

Top-left horizontal-and-vertical — a 十-like cap that sits above 異 inside the 戈 overlay. Not the 'ten' meaning here; it is the simplified residue of an older phonetic-and-cap element. Pedagogically: a small cross at the very top, standing for the headgear being put on.

Middle 異 (traditional form of 异) — supplies a partial sound and the bulk of the picture. 異 itself shows two hands raising a 田-like object overhead, the same gesture as putting on a hat. So 戴 is etymologically 'two hands lifting something onto the head' — the literal action of donning a headdress. Sound has drifted (yì → dài) but the iconography is the strongest anchor.