Is "Asdiqa'" (friends) prohibited from inflection because the alif is the alif of femininity?

The Shaykh : Yes.
The student: Is "Asdiqa'" (friends) prohibited from inflection because of the alif of femininity?

The Shaykh : Yes.
The student: Is it the alif of femininity?

The Shaykh : Yes, indeed.
The student: Is it a broken plural?

The Shaykh : Weigh it, if you want to know that it is for femininity, weigh it.
The student: Af'ala'.

The Shaykh : Af'ala', but names, names are not prohibited from inflection, names of the plural of a noun.
The student: Yes.

The Shaykh : Weigh it?
The student: Af'al.

The Shaykh : Af'al, the alif in Af'al is original.
The student: Yes, but is it the alif of femininity or what?

The Shaykh : Yes, yes, yes.
The student: Why?

The Shaykh : Yes?
The student: "Asdiqa'" (friends) is not feminine.

The Shaykh : Yes, but the plural made it feminine, because "Asdiqa'" is the plural of "Sadiq" (friend), yes.
The student: ...

The Shaykh : Yes, because this is a feminine plural, it is not a plural whose origin is feminine, but it became feminine through the plural.
The student: If the middle letter is a weak letter, O Shaykh, and it is three letters.

The Shaykh : Yes.
The student: A weak letter and then ...

The Shaykh : Yes?
The student: ...

The Shaykh : It appears that it is like it, even more so, if the sound letter, despite its lightness, has two aspects, then this is even more so.