"The expression róma prthivyâh (1.65.8) ‘the body-hair of the earth’ ‘the plants’, suggests that the metaphor of tvac- as the ‘skin’ or surface of the earth was well established in the poetic language of the Rig-Veda."
January 1, 1970
https://en.wikiquote.org/wiki/Hans_Henrich_Hock