Portion
Section, Part
noun
Part of a part? That's a portion, a section of that part, and even a part in itself!
This is a jukugo word, which usually means on'yomi readings from the kanji. As long as you know the readings for these kanji, you should be able to read this word just fine.
この部分を見て下さい。
Please take a look at this part.
台風の影響で、水道の一部分が止まっています。
A part of the water supply has stopped due to the typhoon.
ビデオのこの一部分だけカットしてもらえますか？
Can you cut just this one section from the video?
An update is needed before you can continue but you have more than one WaniKani tab open.
Finish up what ever you are doing on the other tab(s), then close them to continue.
The update will complete automatically once the other tab(s) are closed.