He bent his arm and used it as a pillow. (Analects of Confucius)
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Famously appears in 《论语》: 饭疏食饮水，曲肱而枕之，乐亦在其中矣 — 'Coarse rice for food, water to drink, my bent arm for a pillow — joy is found even in this.' Confucius's line on contentment with simple living. Today 肱 mostly survives in anatomical terms like 肱二头肌 (biceps) and 肱骨 (humerus).
Left meat-flesh radical — the indexing radical (visually identical to 月 moon but a different semantic source). Marks 肱 as anatomical, placing it among body-part chars like 胸 chest, 肩 shoulder, 腕 wrist. The whole entry names a specific arm segment.
Right 厷 supplies the sound gōng (exact match) and originally depicted a bent arm — the very limb segment 肱 names. So the pairing is doubled: flesh + bent-arm graph = the upper-arm flesh, from elbow to shoulder. 厷 rarely appears standalone today, surviving mainly as this phonetic.
