Rosalind traces to Germanic roots often rendered as "gentle horse" or "tender," though its meaning has been reshaped over centuries by folk association with the Latin rosa, or rose. The name is commonly read as suggesting softness paired with quiet strength -- gentleness that isn't mistaken for fragility.
Mars should be asked for promotion of animosity, boldness of spirit, taming of beasts, subordination of passions, splendor of lights, generation of insurrection and submission of enemies. - Picatrix (Andalusia, ~1000.AD)