noun
General term for the act of obstructing or preventing movement, access, or progress. Used in sports, computing, and everyday contexts.
バレーボールでブロッキングがうまく決まった。
The blocking worked well in the volleyball game.
このアプリは迷惑メールのブロッキング機能がある。
This app has a spam blocking feature.
ブロック is a more common and versatile loanword meaning 'block' (noun) or 'to block' (suru-verb). ブロッキング is a less common noun form specifically emphasizing the action or process of blocking.
Loanword from English 'blocking'.