Nihoner

でち

dechi

auxiliary verb 連用形

is the masu-stem of でつ — be, is.

Full entry for

How it’s built

でつ でち

Masu-stem (). The base for ます, たい and ながら, and the way to link two actions: 書き → 書きます.

でつ is a auxiliary verb, so it follows that pattern.

In real sentences

That player contributes to the team with his defense.

Nihoner sentence bank

Other forms and spellings

てつでつテツ
masu-stem of でつ