بَداbegan (apparently intended as بَدَأَ) المعانيthe meanings وتهذيبهاand their refinement
بَدا المعاني وتهذيبها
فأبرَزَهاthen he brought them forth كالوُجوهِlike the faces الحِسانِbeautiful
فأبرَزَها كالوُجوهِ الحِسانِ
He began with meanings and their refinement,
He polished the meanings and refined them
then brought them forth like beautiful faces.
Then displayed them like beautiful faces
وقدَّرَand he measured out ألفاظَهhis words بعدafter ذاكَthat
وقدَّرَ ألفاظَه بعد ذاكَ
علىaccording to ماwhat اقتضَتْهُrequired it قُدودُfigures المَعانيthe meanings
على ما اقتضَتْهُ قُدودُ المَعاني
And he measured out his words after that,
Afterwards, he measured his words
according to what the figures of the meanings required.
According to what the boundaries of the meanings required