Serial comma - Wikipedia

In English-language punctuation, the serial comma, also referred to as the series comma, Oxford comma, or Harvard comma,[1][2] is a comma placed immediately after the penultimate term and before the coordinating conjunction (and or or) in a series of three or more terms.[3][4][5] For instance, a list of three countries might be punctuated without the serial comma as "France, Italy and Spain" or wi

[abrahamcow]

オックスフォードカンマ

[cu39]

"serial comma or series comma (also called an Oxford comma or a Harvard comma)"

[mooz]

and や or の前のカンマは Serial comma や Oxford comma と呼ばれるらしい

[sucrose]

andの前のカンマ