ここで会あったが百ひゃく年ねん目め

Meanings

at last your time has come; I have found you at last

A dramatic set phrase used when finally catching or confronting someone after a long pursuit or wait. Often carries a threatening or triumphant tone, as if saying 'your luck has run out' or 'the game is up.'

逃にげても無む駄だだ。ここで会あったが百ひゃく年ねん目め、覚かく悟ごしろ。
It's no use running. Your time has come—prepare yourself.
ずっと探さがしていたんだ。ここで会あったが百ひゃく年ねん目めだな。
I've been looking for you for a long time. I've finally found you.

Kanji

会meeting, meet, party
百hundred
年year, counter for years
目eye, class, look
逢meeting, tryst, date
此this, current, next
処dispose, manage, deal with

Written forms

ここで会あったが百ひゃく年ねん目め
Standard kanji spelling using 会う; the most common written form.
ここで逢あったが百ひゃく年ねん目め
Variant using 逢う, which carries a more emotional or fateful nuance of meeting.
此処ここで会あったが百ひゃく年ねん目め
Uses the ateji 此処 for ここ; rarely seen in modern writing.
此処ここで逢あったが百ひゃく年ねん目め
Combines the ateji 此処 with the variant 逢う; very rare.

Etymology

Literally 'meeting here is like the hundredth year.' The phrase originates from the idea that a long-awaited or fateful encounter feels as momentous as something that happens once in a hundred years. The exact historical derivation is uncertain, but it is a well-established idiomatic expression.