Callosum - callus, hard.⏎
Arcuate - arcus, bow.⏎
Cerebrum - cerebrum, brain.⏎
Aponeurosis - apo, from: neuron, tendon. (Early GREEK anatomists used neuron indiscriminately for nerves and tendons.)⏎
Appendix - ad, toward; pendere, to hang. Hence appendage.⏎