amacacar
verb/ɐmɐkɐˈkaɾ/low
a·ma·ca·car
Definition
To make soft or more flexible, especially through rubbing or use; to soften.
You need to amacacar the new leather gloves before they become comfortable.
She amacacared the fabric by repeatedly folding it.
Etymology
Do árabe 'makkaka' (esmagar, amassar).