記入
きにゅう · kinyuu · JLPT N3 · noun
filling in of forms
📝 記入 = write down + put in: you write your details into the form
記 means record or write down; its 言 radical means words. 入 means enter or put in. So you put words into the blanks. Sound hook: kinyuu sounds like key in new, as in keying new details into a form.
入 — single pictograph, two slanting strokes
入 is a pictograph showing an arrowhead or pointed entrance, with two strokes converging downward to suggest something going inward. The original sense was 'to enter,' and it still carries that meaning today. It contrasts visually with 人 (person), where the strokes cross differently at the top.