Where does “sixty-fourmo” come from?

sixty-fourmo (English) comes from English -mo — Used to form page and book sizes.

sixty-fourmo (English): sexagesimo-quarto (as a paper size in printing)

Definitions

  1. sexagesimo-quarto (as a paper size in printing)

Ancestry of “sixty-fourmo”, step by step

StepLanguageWordMeaning
1English-moUsed to form page and book sizes
Every word from English -mo
sixty-fourmo — Etymology, Origin & Word History | Etymology Explorer