煎せんじ詰つめる

ichidan verb, transitive verb

boil down; condense

Literal sense: to boil a liquid until it reduces and thickens, or to concentrate a substance by boiling.

• だしを煎せんじ詰つめて、濃こいスープを作つくる。

  Boil down the broth to make a thick soup.

ichidan verb, transitive verb

think through to the end; reduce to essentials

Figurative sense: to distill a matter down to its core point after thorough consideration. Often used in conditional clauses such as 煎じ詰めれば.

• 問もん題だいを煎せんじ詰つめれば、結けっ局きょくはお金かねの問もん題だいだ。

  If you boil the problem down, it's ultimately a matter of money.