Encyclopaedia Britannica, 11th Edition, "Dyer, Sir Edward" to "Echidna" / Volume 8, Slice 9

by Various

. In Corinth and places under its early influence like Megara, or colonized from it like Corcyra, the symbol for e takes the form

or

, while at Sicyon in the 6th and 5th centuries B.C. it is represented by

. In early Latin it was sometimes represented by two perpendicular strokes of equal length,

.