What is the meaning of "يكون " ?
What is the meaning of "يكون " in the following sentence?

على أنّ الزهرة كانت تتباطأ وتطيل التأهُّب للخروج، حتّى تجيء على غاية ما يكون من جمالها

If it is a verb, what is the subject of "يكون " in the above sentence?

Question

What is the meaning of "يكون " ?
What is the meaning of "يكون " in the following sentence?

على أنّ الزهرة كانت تتباطأ وتطيل التأهُّب للخروج، حتّى تجيء على غاية ما يكون من جمالها

If it is a verb, what is the subject of "يكون " in the above sentence?

Answer

يكون means to be

يكون  is the present form  of كان

كان is called in arabic "فعل ناسخ ناقص"  that means it doesn't take a subject

Answer

It becomes (masculine form) It' is a verb, the subject is ـها which refers to الزهرة in the first sentence. - Even though the flower was slowing and extending preparation to get out (blossom), it comes with as much beauty it -can- become.

Answer

It becomes (masculine form)
It' is a verb, the subject is ـها which refers to الزهرة in the first sentence. 
- Even though the flower was slowing and extending preparation to get out (blossom), it comes with as much beauty it -can- become.