Grammar Particle
Particle, Postposition
noun
A part of speech that's just meant to help your grammar out are the little things. They tie grammar and words together, and that's about it. These are grammar particles or just plain old particles.
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well.
この助詞についての説明は、細かい点がいくつかしょうりゃくされています。
This explanation about grammar particles omits some details.
今日、助詞の使い方を学校で習ったんですが、まだ頭が混乱しています。
I learned how to use postpositions at school today, but I'm still so confused.
日本語の文法で、修得するのが最も難しいもののうちの一つが助詞です。
In Japanese grammar, one of the most difficult things to master is particles.