ピリオドを
piriodō utsu

Godan Verb (tsu)
Idiomatic Expression

1. to put an end (to); to bring to an end; to close the books (on); to put a period (at the end of a sentence) — literal

Related to 終止符を打つ
ビルは先週 せんしゅう結婚 けっこんして、ついに独身 どくしん生活 せいかつにピリオドを った。
biruwa senshū kekkon shite tsuini dokushinsēkatsuni piriodō utta.
Bill was single until he tied the knot last week.