à¦à¦¨à§à¦·à¦à§à¦à¦¿à¦.. (adjective): supply added support. belonging. supportive, auxiliary, accessory, adjunct, adjuvant, ancillary. In hiking Mt. Everest, sherpas are appurtenant, helping climbers both carry gear and navigate treacherous paths. Appurtenant to the property, the single oak stump was an eyesore to both the owners and the neighbors.