from Wiktionary, Creative Commons Attribution/Share-Alike License
- v. To grow to excess ot out of shape; grow unduly.
- v. To be grown over; overgrow; cover with growth (usually one that is excessive or unsightly).
from The Century Dictionary and Cyclopedia
- To be grown over; grow in excess or unduly.
From Middle English forgrowen, from Old English forgrōwan ("to grow up, grow into, increase, overgrow"), equivalent to for- + grow. (Wiktionary)