The ampersand, also known as the and sign, is the logogram &, representing the conjunction "and". It originated as a ligature of the word et.
Bilingual Irish street sign, with ⁊ used to represent agus (first line) and & used to represent and (second line)
An ampersand written with the vertical stroke merged into the edges
Albertus (typeface) sampler (1936). Two styles of ampersand are shown.
Et cetera, abbreviated to etc. or et cet., is a Latin expression that is used in English to mean "and all the rest". The ampersand "&" is a ligature of "et", thus it can also be abbreviated &c.. Trans
Ampersand
…the last author's name when there is more than one author. (This does not apply to MLA style, which calls for the "and" to be spelled.) The phrase et cetera ("and the rest"), usually written as etc. can be abbreviated &c. representing the combination et + c(etera). The ampersand can be used to indicate that…
The &c (et ceterarum, "Protector of England, Scotland and Ireland and another") shows that Oliver Cromwell did not renounce the English claims on France