Manava Dharmashastra 4.73

4.73

advāreṇa ca nātīyād grāmaṃ vā veśma vāvṛtam
rātrau ca vṛkṣamūlāni dūrataḥ parivarjayet //

Let him not enter a walled village or house except by the gate, and by night let him keep at a long distance from the roots of trees.