潤滑じゅんかつ
junkatsuyu

Noun

1. lubricating oil; lubricant; lube

ちゃ仕事しごとをスムーズにはこばせるための潤滑じゅんかつのようなもの。
ochawa shigotō sumūzuni hakobaseru tameno junkatsuyuno yōna mono.
Tea is like the lubricating oil of work to allow it to proceed smoothly.
Noun

2. person or thing that makes things run smoothly; facilitator