Pudendal - pudere, to be ashamed. Genitals (pudenda) were considered shameful parts.⏎
Olfactory - olere, to smell; facere, make.⏎
Radius - radix, rod.⏎
Pia - pia, soft.⏎
Obturator - obturare, to occlude; obturator foramen was named because it is largely occluded by the obturator membrane.⏎