固 (gù) means “In “固定”: to fix”. The 固 stroke order has 8 strokes; the animation above shows them one at a time. Its radical is 囗. To practise how to write 固, open writing practice; to hear how to pronounce 固, use the pronunciation trainer.
Words with 固
固定 — gù dìng, to fix; to fasten; to set rigidly in place; fixed; set; regular
固体 — gù tǐ, solid
固定 — gù dìng, to fix; to fasten; to set rigidly in place; fixed; set; regular