The characters combine literally and poetically: Gather (集) armpit (腋) [fur] to make (成) a fur robe (裘). The fur under a fox's armpit was considered the purest and softest, making it highly prized. This detail emphasizes that even the most valuable things can be created from the humblest of materials if one is diligent enough to collect them.
The idiom originates from the ancient text *Shenzi* (慎子) and embodies the core Chinese values of diligence (勤劳 qínláo), patience (耐心 nàixīn), and perseverance (坚持 jiānchí). It teaches that great achievements are not born from a single stroke of genius but are the result of a long, often tedious, process of accumulation. A good Western comparison is the proverb “Many a little makes a mickle” or “Great oaks from little acorns grow.” However, 集腋成裘 (jí yè chéng qiú) is more visceral and specific. While the Western proverbs are abstract, the Chinese idiom paints a clear picture of a difficult, hands-on task. This reflects a cultural emphasis on pragmatic, tangible effort. It's not just about waiting for things to grow; it's about actively collecting and building, piece by tiny piece. This mindset is visible in many aspects of Chinese life, from family savings habits to national economic strategies that focus on long-term, incremental growth.
集腋成裘 is a formal and literary idiom. You are more likely to encounter it in writing, formal speeches, news articles, and educational contexts than in casual daily conversation. Its connotation is overwhelmingly positive, used to praise a wise, long-term strategy.