the french is "folded napkins/linens/cloth' (napier plei?(like a plei in ballet, a 'folded or bent' knee)

its easy to see a napier Plie (folden cloth/es) =turning into
a(n) ap(p)le Pie (an apple pie)--> to apple pie order (neat)
(the idiom apple pie order came into english after WWI)

(but i remember first reading about it here)

my other obsession