Ibn Ezra on Isaiah
תפרוצי Thou Shalt spread.6A. V., Thou shalt break forth. Comp. ופרצת and thou shalt spread abroad (Gen. 28:14). Some connect it with פרץ to break forth7That is, to break forth from within the boundaries of the place in order to occupy a larger space. (2 Sam. 6:8).
Ibn Ezra on Isaiah
And thy seed, etc. This is the explanation of the preceding figure.