Radical 纟

11 strokes

績

thread 纟 (233a) + duty 责 (515) = achievement 绩

成绩 (259) chéngjì achievement

The spider developed a way of making particularly strong thread and felt it was his duty to teach it to all the other spiders too — a great achievement. / Even so, his whole team could only just make a G-string which did not satisfy the dwarf.