Word origin
 [1880–85; ‹ L 
tumēscent- (s. of 
tumēscēns, prp. of 
tumēscere to begin to swell), equiv. to 
tum(
ēre) to swell + 
-ēscent- -escent]This word is first recorded in the period 1880–85. Other words that entered Englishat around the same time include: automatism, barnstorm, impressionism, interface, jackpot