यौवन (Sanskrit) comes from Sanskrit युवन्, from Proto-Indo-Iranian HyúHā, from Proto-Indo-European h₂yéwHō, from Proto-Indo-European h₂óyu, from Proto-Indo-European h₂ey- — vital force, life, age, eternity; day, morning.
यौवन (Sanskrit): youth, youthfulness; adolescence, puberty