医 yī doctor
Made up of [匸 xǐ box; bag radical 23, 矢 shǐ arrow; to vow radical 111]Alternative traditional form of character: 醫
Made with 7 strokes.
Can be thought of as shooting arrows at a disease - a doctor healing you. This is clearer in the complex traditional form that has 'disease' and 'medicine' parts.
Ancient small seal form 
Related characters
Also uses 矢 shǐ component: 矮 ǎi (low) 候 hòu (wait) 侯 hóu (nobleman) 铁 tiě (arms) 知 zhī (to know) 族 zú (clan)
Sounds same
一 yī (one) 衤 yī (clothes) 衣 yī (clothes)Different tone
颐 yí 宜 yí (proper) 夷 yí (barbarians) 乚 yǐ (hidden) 以 yǐ (to use) 椅 yǐ (chair) 已 yǐ (already) 乙 yǐ (twist) 易 yì (easy) 亿 yì (100,000,000) 益 yì 义 yì (justice) 亦 yì (also) 邑 yì (city) 弋 yì (catch) 艺 yì (skill) 忆 yì (to recollect) 意 yì (idea) 异 yì (different)Pronunciation
Sound file kindly provided by shtooka.net ➚ under a Creative Commons Attribution Share Alike License
Proverbs
死马当活马医 sǐ mǎ dāng huó mǎ yī Persevering when it is already too late. A lost cause讳疾忌医 huì jí jì yī Keeping mistakes and shortcomings to yourself. Refuse to listen to advice.