Technically, napkin is a diminutive of "nape" with the suffix "kin" meaning small[0]. So really the title probably ought to be "An Infinitely Large Nape". Unles

Technically, napkin is a diminutive of "nape" with the suffix "kin" meaning small[0]. So really the title probably ought to be "An Infinitely Large Nape". Unless the author is going for an oxymoronic use of napkin like "jumbo shrimp". [0] https://www.etymonline.com/word/napkin https://www.etymonline.com/word/napkin