건(健) healthy, strong, vigorous; 우(宇) universe, vast space, the cosmos. A name for a boy of robust vitality whose spirit and ambitions are as boundless as the universe itself.
Famous Examples: One of the most consistently popular Korean boy names across generations
Saju (Four Pillars) Reading
Earth and Metal elements combined, robust health grounded in structured discipline
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Korean jakmyeong (작명) picks a name by your four-pillars element balance — not by sound. Free preview: your element analysis + first matched name. Full report: 5 names with hanja & meaning, $14.93.