僕
ぼく · boku · JLPT N4 · noun
iodine
👦 僕 = person (亻) + servant: a humble 'your servant' that became a male I
僕 originally meant manservant. Speakers used it to humbly call themselves 'your servant', and it softened into the casual I used by boys and men. Sound hook: boku starts like boy, and it is the boyish way to say I.