Answer: common, customary, idiomatic
kan'yō no (慣用の)
Need to translate " 慣用 " ( Kan'yō ) from Japanese? Here are 4 possible meanings.
Kan'yō -on (慣用音 "customary sound") readings which are mistaken or changed readings of the kanji that have become accepted into the Japanese language. In some cases they are the actual readings that accompanied the character's introduction to Japan but do not match how the character "should" (is prescribed to) be read according to the ...
This is an English idiomatic expression. The term for the phrase in Japanese is: 慣用 的な = Kan'yō -tekina It is an adjective Idioms most commonly do not translate from one language to another easily and sometimes not at all.
As a general rule Japanese readings [of these names] use kan -on but in rare instances go-on and kan'yō -on are also used: for example ...