A Sino-Japanese reading of a kanji based on the pronunciation of Chang'an during the Tang dynasty. One of the main on'yomi categories, alongside go-on and tō-on.
Kan-on is based on the pronunciation of Chang'an during the Tang dynasty.
Etymology
From 漢 (kan, 'Han'; here referring to China) + 音 (on, 'sound'), referring to the Chinese-derived reading of characters. The term itself is a Sino-Japanese compound.