mixed on-kun kanji reading
A linguistic term for a compound word where the first kanji is read with its on'yomi and the second with its kun'yomi, as in 重箱 (じゅうばこ). Contrasts with 湯桶読み (ゆとうよみ), which is kun-on.
See also: 湯桶読み
「重箱」 is a typical example of mixed on-kun reading.