/ · 1894 Brewer’s · Q · Q.E.F
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Quod erat facien’dum. Three letters appended to the problems of Euclid, meaning: Thus have we done or drawn the figure required by the proposition.
· ·
Entry taken from Dictionary of Phrase and Fable, edited by the Rev. E. Cobham Brewer, LL.D. and revised in 1895.
· 
· 