Rectum - rectus, straight.⏎
Pubis - pubes, adult; the part covered by pubic (i.e. adult) hair.⏎
Pudendal - pudere, to be ashamed. Genitals (pudenda) were considered shameful parts.⏎
Rhomboid - rhombus, four sided figure with equal sides.⏎
Quadriceps - quadri, four; caput, head.⏎