1904 Daily Chron. 10 May 5/2The Japano-Russian war. 
1905 D. Sladen Playing Game ii. iii. 185Under the influence of the Japanophile Jevons. 
1906 Daily Chron. 21 May 7/5The Japano-Korean treaty. 
1910 Westm. Gaz. 3 Feb. 3/1The Japano-Chinese war of 1894–5. 
1973 Record ( Oxf. Univ. Press) xviii. 5/1We..made our way to..Tokyo where TK greeted us in his Japano-Oxford accent and bore us off to the Palace Hotel. 
ORIGIN: from Japan  noun -o- 
Japano-
Prefix
- The combining form of the adjective Japanese.