The term is a syllabic abbreviation of the words Hotel/Restaurant/Café or Catering for the food service industry.
63 HoReCa domain names full list link below
https://sedo.com/search/?member=60ca85886679cf6fefa8abbd88bae780b8f4076b&keyword=hore
https://sedo.com/search/details/?partnerid=14456&language=us&domain=horeca.at&origin=parking&utm_medium=Parking&utm_campaign=template&utm_source=2043
https://sedo.com/search/details/?partnerid=14456&language=us&domain=horeca.co&origin=parking&utm_medium=Parking&utm_campaign=template&utm_source=2043
https://sedo.com/search/details/?partnerid=14456&language=us&domain=horeca.us&origin=parking&utm_medium=Parking&utm_campaign=template&utm_source=2043
https://sedo.com/search/details/?partnerid=14456&language=us&domain=horeca.ca&origin=parking&utm_medium=Parking&utm_campaign=template&utm_source=2043
https://sedo.com/search/details/?partnerid=14456&language=us&domain=horeca.pt&origin=parking&utm_medium=Parking&utm_campaign=template&utm_source=2043
https://sedo.com/search/details/?partnerid=14456&language=us&domain=horeca.pro&origin=parking&utm_medium=Parking&utm_campaign=template&utm_source=2043
https://sedo.com/search/details/?partnerid=14456&language=us&domain=horeca.club&origin=parking&utm_medium=Parking&utm_campaign=template&utm_source=2043
https://sedo.com/search/details/?partnerid=14456&language=us&domain=horeca.vip&origin=parking&utm_medium=Parking&utm_campaign=template&utm_source=2043
https://sedo.com/search/details/?partnerid=14456&language=us&domain=horeca.cc&origin=parking&utm_medium=Parking&utm_campaign=template&utm_source=2043