染そめ込こむ

godan verb (-mu), transitive verb

dye deeply; dye thoroughly

Implies dyeing something thoroughly so that the color penetrates well. Often used for fabrics or materials.

• 布ぬのを藍あい色いろに染そめ込こむ。

  Dye the cloth deep indigo.

• 職しょく人にんが糸いとを一ひと晩ばんかけて染そめ込こんだ。

  The artisan dyed the thread thoroughly overnight.