Correct

久已

/ jiǔyǐ / 
Strokes

Definition

long ago/a long time since

Example

As an Adverb

for a long time; long since

1
Zhè
这
jiàn
件
shì
事
wǒ
我
jiǔyǐ
久已
wàngjì
忘记
le
了
  
。

I've long forgotten about it.

2
Jiǔ
久
yǐ
已
bù
不
zài
在
rénshì
人世

long since dead