550repeat
复 / 複
fù

Radical 夂

9 strokes

複 復

clouds (124b) + sun 日 (6) + pursue 夂 (506a) = repeat 复

This has various shades of meaning — not just to repeat something, but often a sense of responding or replying. It can also mean “complex”.

复杂 (511) fùzá complex, complicated

[反复 (331) fǎnfù repeatedly]

(At the fighter pilot training school) The pilots have to fly into the clouds, then out again into the sun, then pursue the instructor’s aircraft; and they must repeat all this until they get it right every time. / The dwarf (in charge of the kitchen) grumbles because the food is getting cold.