持(も)ち込(こ)むto take something into ..., to bring in, to carry in, to lodge (a complaint), to file (a plan), to bring (a proposal), to commence negotiations, to bring to (a state: tied game, vote, trial, etc.)

辞書の定義

「む」で終わる五段動詞, 他動詞
1.
to bring in, to take in, to carry in
「む」で終わる五段動詞, 他動詞
2.
to approach (someone) with (a proposal, offer, problem, etc.), to bring, to lodge (a complaint), to propose (e.g. a project)
「む」で終わる五段動詞, 他動詞
3.
to bring (to another stage), to take (e.g. to court, to extra time, to a play-off)