الفرشة بتحط الجليز على الحافة.

بتحط comes from the verb حط / يحط, which means to put, place, apply.

In Egyptian Arabic, the prefix بـ usually marks the everyday present/imperfective form. So بتحط here can mean:

• puts
• is putting
• applies

In this sentence, apply is probably the most natural English idea, since we are talking about glaze.

Because الفرشة is grammatically feminine.

In Egyptian Arabic, a third-person singular feminine subject usually takes a verb form beginning with بتـ. So:

• هي بتحط = she/it puts
• هو بيحط = he/it puts

Since الفرشة ends in ة, that is a strong clue that it is feminine, so بتحط is the expected agreement.

Yes. By itself, بتحط can be ambiguous in Egyptian Arabic. It can mean either:

• you put (masculine singular)
• she/it puts

But in this sentence, the subject الفرشة comes first, so the meaning is clearly the brush puts/applies.

Because subject-first word order is very common in Egyptian Arabic.

So الفرشة بتحط... is a very normal pattern:
the brush + puts/applies + the glaze + on the edge

Egyptian often prefers this straightforward subject–verb–object order in everyday speech.

Because the sentence is talking about specific things:

• الفرشة = the brush
• الجليز = the glaze
• الحافة = the edge / the rim

So all three nouns are definite.

A useful extra point: in all three words here, the ل of الـ is pronounced, because ف, ج, and ح are moon letters, not sun letters.

الجليز is a loanword, basically the word glaze adapted into Arabic.

That is very common in Egyptian Arabic, especially in:

• art
• crafts
• ceramics
• technical language
• workshop language

So even if it does not look like a traditional Arabic root word, that is completely normal.

على is the standard preposition meaning on, onto, or upon.

So:

• على الحافة = on the edge / on the rim

It is one of the most common Arabic prepositions, so it is worth learning very well early on.

It is typically pronounced something like el-fursha or il-fursha in Egyptian Arabic.

The final ة is usually pronounced -a / -ah when the word is said on its own or at the end of a phrase. So فرشة sounds like fursha, not furshat here.

That final ة often helps signal that the noun is feminine.

This is a very common learner issue. Arabic usually writes the consonants and long vowels, but not most short vowels in everyday text.

So الحافة is read as el-ḥāffa (roughly), meaning the edge/rim.
The word is really حافّة, with a doubled ف sound, but the shadda is usually not written in ordinary text.

So one important skill in Arabic is learning the spoken form of words, not just their bare spelling.