You searched for: “grammalogue”
grammalogue
Shorthand; a word represented by a single sign; also, a letter or character representing a word (more correctly called a logogram). Examples of grammalogues include: &, #, ©, ®, ¶, and @.

Although & is called an ampersand (meaning "and"), there is also a new symbol which is called a questpersand which is pronounced: "and?"

questpersand symbol
—Source: Verbatim, The Language Quarterly, Essex, Connecticut, 1977, page 536.
This entry is located in the following units: gram-, -gram-, -gram, -grammatic, -grammatical, -grammatically, -gramme, -grammic + (page 9) logo-, log-, -logia, -logic, -logical, -logism, -logician, -logian, -logue (page 3) loqu-, -loquence, -loquent, -loquently, -loquy, -iloquent, -iloquently (page 4)