Question: Where did the word "Sphinx" come from?
About the article "Great Sphinx of Giza", section "Names of the Sphinx".

Candidate passages:
The Sphinx is said to have guarded the entrance to the Greek city of Thebes, and to have asked a riddle of travellers to allow them passage.
The exact riddle asked by the Sphinx was not specified by early tellers of the stories, and was not standardized as the one given below until late in Greek history.
It was said in late lore that Hera or Ares sent the Sphinx from her Ethiopian homeland (the Greeks always remembered the foreign origin of the Sphinx) to Thebes in Greece where she asks all passersby the most famous riddle in history: "Which creature has one voice and yet becomes four-footed and two-footed and three-footed?"
She strangled and devoured anyone unable to answer.
Oedipus solved the riddle by answering: Man—who crawls on all fours as a baby, then walks on two feet as an adult, and then uses a walking stick in old age.
By some accounts (but much more rarely), there was a second riddle: "There are two sisters: one gives birth to the other and she, in turn, gives birth to the first.
Who are the two sisters?"
The answer is "day and night" (both words are feminine in Greek).
This riddle is also found in a Gascon version of the myth and could be very ancient.
Bested at last, the tale continues, the Sphinx then threw herself from her high rock and died.
An alternative version tells that she devoured herself.
Thus Oedipus can be recognized as a "liminal" or threshold figure, helping effect the transition between the old religious practices, represented by the death of the Sphinx, and the rise of the new, Olympian gods.
In Jean Cocteau's retelling of the Oedipus legend, "The Infernal Machine", the Sphinx tells Oedipus the answer to the riddle, to kill herself so that she did not have to kill anymore, and also to make him love her.
He leaves without ever thanking her for giving him the answer to the riddle.
The scene ends when the Sphinx and Anubis ascend back to the heavens.
There are mythic, anthropological, psychoanalytic and parodic interpretations of the Riddle of the Sphinx, and of Oedipus's answer to it.
Numerous riddle books use the Sphinx in their title or illustrations.
Michael Maier in his book, the Atalanta Fugiens (1617) writes the following remark about the Sphinx's riddle, in which he states that the solution is the Philosopher's Stone:Sphinx is indeed reported to have had many Riddles, but this offered to Oedipus was the chief, "What is that which in the morning goeth upon four feet; upon two feet in the afternoon; and in the Evening upon three?"
What was answered by Oedipus is not known.
But they who interpret concerning the Ages of Man are deceived.
For a Quadrangle of Four Elements are of all things first to be considered, from thence we come to the Hemisphere having two lines, a Right and a Curve, that is, to the White Luna; from thence to the Triangle which consists of Body, Soul and Spirit, or Sol, Luna and Mercury.
Hence Rhasis in his Epistles, "The Stone," says he, "is a Triangle in its essence, a Quadrangle in its quality."
 Sphinx (satellite), an American test satellite Sphinx (search engine), a free software SQL full-text search engine Sphinx (documentation generator), a free open-source Python documentation generator CMU Sphinx, a free voice recognition engine from Carnegie Mellon University Sphinx, the name of a GoTo telescope produced by Vixen Sphinx, a codename for Microsoft SQL Server 7.0 Sphinx Systems, a Swiss firearms manufacturer  
 "Sphinx chersis chersis" (from Mexico north through most of the United States) "Sphinx chersis mexicanus" Rothschild & Jordan, 1903 (Mexico)  
Custody of "Sphinx" was transferred on 2 December 2002 to the Dunkirk Historical Lighthouse and Veterans Park Museum in Dunkirk, New York for preservation, where she was regarded as the ""Sole Survivor of All LST's in The U.S. Mothball Fleet Today.
""It was reported in May 2007, that the "Sphinx "was being stripped of parts by groups from other historical ships, as the Dunkirk Historical group was unsuccessful in raising adequate funds to move her to their location.
Later that year, "Sphinx" was sold for scrapping to North American Recycling, Inc.
The ship was moved to Baltimore, but the scrapper went out of business and "Sphinx" was abandoned along with another Atlantic Reserve Fleet ship, the former .
In November 2007, "Sphinx" was acquired by Bay Bridge Enterprises, who moved her to their facility in Chesapeake, Virginia for disposal.
The vessel arrived at their facility on 1 December 2007.
"Sphinx" received one battle star for Korean service and eight for service in Vietnam. 
Sphinx nogueirai is a moth of the Sphingidae family.
It is known from Sonora in Mexico.