تَمَنّعَ: تَحَصّنَ to be or become inaccessible, well fortified; to be strengthened; to fortify oneself; to strengthen (one's position, etc.)

تَمَنّعَ بـِ: اِحْتَمَى to seek protection in or with

تَمَنّعَ عن ـ اُنْظُرْ: اِمْتَنَعَ عن