11 letters · 13 points in Scrabble
noun the process of wavelike muscle contractions of the alimentary tract that moves food along
originFrom Ancient Greek δύναμις περισταλτική (dúnamis peristaltikḗ, “the action of the bowels by which their contents are propelled”), from περιστέλλω (peristéllō, “to wrap around”), from περι- (peri-, “around”) + στέλλω (stéllō, “to make ready, to prepare”).
Etymology from Wiktionary, CC BY-SA 3.0