Arsenia Is A Girls Name Of Spanish Origin. While This Female Version Of Arsenio Translates To "masculine," You Can Interpret Its Meaning In A More Flexible Sense. By Raising Baby Arsenia To Be Bold, Empowered, And Courageous, You Can Encourage Your Little One To Embrace Their Strengths, Whatever Comes Their Way. Seni And Nia Spring To Mind For Sweet Nicknames That Pack A Punch, Allowing You To Put A Modern Spin On This Traditional Choice.