A primitive root; to move rapidly; used only as a denominative from dag; to spawn, i.e. Become numerous -- grow.
see HEBREW dag
H1711. dagah
[דָּגָה] verb multiply, increase (intransitive); —
Qal Imperfect3masculine plural הארץ בקרב לָרֹב וְיִדְגּוּ Genesis 48:16 (E).