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The character "淬" combines the water radical (氵) with the phonetic component "卒", a structure that points to its initial association with the process of quenching metal by rapidly immersing it in liquid to increase hardness. Its etymology is tied specifically to this metallurgical technique, from which the meaning later expanded to encompass more general notions of immersion or dipping, as well as metaphorical tempering or refining, such as in the compound "淬炼" which implies strengthening through arduous experience. This evolution retained the core idea of transformative contact with a medium, while the character's composition continued to reflect its fundamental link to water.
Etymology Hide
