Gopalacampu 1.9.84

1.9.84

[66] evaṃ taddine śakaṭair eva cakruḥ, dināntare tu,
kaṇṭakībhiḥ pravṛddhābhis tathā kaṇṭakibhir drumaiḥ |
nikhātocchrita-śākhābhir abhiguptaṃ samantataḥ ||iti | [2.9.22]

Thus, on that day, they built it with carts alone; but on another day:
“Well protected on all sides by grown thorny shrubs / and thorny trees with high, entrenched branches.”