a reference to the "Thesaurus of English Words and Phrases" published 1852 by English philologist Peter Mark Roget (1779-1869). The surname is a diminutive of Roger. Related: Roget's.
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Roger
masc. proper name, from Old French Rogier, from Old High German Hrotger, literally "famous with the spear," from hruod- "fame, glory" + ger "spear" (see gar (n.)). "The name was introduced from Norman where OG Rodger was reinforced by the cognate ON Hroðgeirr" [Dictionary of English Surnames]. Pet forms include Hodge and Dodge. As a generic name for "a person," attested from 1630s. In 16c.-17c. cant, "a goose." Slang meaning "penis" was popular c. 1650-c. 1870; hence the slang verb sense of "to copulate with (a woman)," which is attested from 1711.
The use of the word in radio communication to mean "yes, I understand" is attested from 1941, from the U.S. military phonetic alphabet word for the letter -R-, in this case an abbreviation for "received." It is said to have been used likewise by the R.A.F. since 1938. Roger de Coverley, once a favorite English country dance, is said to have been so called from 1685. Addison took him early 18c. as the name of a recurring character in the "Spectator."
THE first of our society is a gentleman of Worcestershire, of ancient descent, a baronet, his name Sir Roger de Coverley. His great-grandfather was inventor of that famous country-dance which is called after him. All who know that shire are very well acquainted with the parts and merits of Sir Roger. [Addison]