The Greek text of Athenaeus shown here is that of Kaibel (1887). There is a parallel site in Plutarch's Dinner of the Seven Wise Men.
One has to think about fashionable, time-consuming embroidery for robes.
The Greek text gives two different terms, of which μάγειροι refers to cooks for meat dishes and όψοποιοί to cooks for all other meals.