accentuate (v.)youdaoicibaDictYouDict[accentuate 词源字典]
1731, from Medieval Latin accentuatus, past participle of accentuare "to accent," from Latin accentus (see accent (n.)). Originally "to pronounce with an accent;" meaning "emphasize" is recorded from 1865.
You've got to accentuate the positive
Eliminate the negative
Latch on to the affirmative
Don't mess with Mister In-Between

["Ac-Cent-Tchu-Ate the Positive," 1944, music by Harold Arlen, lyrics by Johnny Mercer]
Related: Accentuated; accentuating.[accentuate etymology, accentuate origin, 英语词源]
cheesecake (n.)youdaoicibaDictYouDict
also cheese-cake, mid-15c., from cheese (n.1) + cake (n.). In figurative uses for "soft, effeminate" from 18c. Slang meaning dates from 1934, when a "Time" magazine article defined it as "leg-pictures of sporty females." In its early years this sense of the word often was associated with Marlene Dietrich.
marlinspike (n.)youdaoicibaDictYouDict
"pointed iron tool used by sailors to separate strands of rope," 1620s, from spike (n.) + Middle Dutch marlijn "small cord," from marlen "to fasten or secure (a sail)," probably frequentative of Middle Dutch maren "to tie, moor" (see moor (v.)). Influenced in Dutch by Dutch lijn "line" (n.).