固 gù hard; strong; solid
Made up of [囗 wéi proud; enclosure; upright radical 31, 古 gǔ ancient ]Made with 8 strokes.
The character 'gu' for sound is in an enclosure. As 'gu' means ancient this suggests the meaning of solidity
Related characters
Also uses 囗 wéi component: 国 guó (country) 回 huí (to circle) 面 miàn (face) 四 sì (four) 园 yuán (park) 中 zhōng (centre)
Also uses 古 gǔ component: 故 gù (happening) 姑 gū (paternal aunt) 估 gū (estimate) 湖 hú (lake) 胡 hú (beard) 居 jū (to reside) 克 kè (to be able to) 苦 kǔ (bitter)
Sounds same
故 gù (happening)Different tone
姑 gū (paternal aunt) 估 gū (estimate) 古 gǔ (ancient) 蛊 gǔ 谷 gǔ (valley)
Stroke order for character 固, kindly provided under Wikimedia creative commons license ➚