Japanese

Particle

つつ ‎(romaji tsutsu)

1. while, -ing, for two actions happening at once

   様々 (さまざま)な目的 (もくてき)や意味 (いみ)を込 (こ)めつつ食事 (しょくじ)をしている。

   Samazama na mokuteki ya imi o kome tsutsu shokuji o shiteiru.

   People have meals with various goals or meanings.

2. although, doing in spite of opposition
3. in the process of

Usage notes

This attaches to the -masu stem of a verb.