The meaning of the word qurban is “to get closer”. However, in religious context it becomes a name for the selected animals sacrificed to get closer to Allah and in the name of Allah. Qurban worship is almost as old as the history of humanity and Allah ordered to all ummahs:
“And for all religion We have appointed a rite [of sacrifice] that they may mention the name of Allah over what He has provided for them of [sacrificial] animals. For your god is one God, so to Him submit. And, [O Muhammad], give good tidings to the humble [before their Lord]” Haj 22:34
Qur’an mentions the qurbans of the two sons of Adam and notifies the condition of accepting the qurban as piety:
“And recite to them the story of Adam's two sons, in truth, when they both offered a sacrifice [to Allah], and it was accepted from one of them but was not accepted from the other. Said [the latter], "I will surely kill you." Said [the former], "Indeed, Allah only accepts from the righteous [who fear Him].” Ma’idah 5:27
In this worship, the main function is to bring one closer to Allah just like the other types of worships and prayers, what reaches Him is the intention, faith and piety of the Muslim.
“Their meat will not reach Allah, nor will their blood, but what reaches Him is piety from you. Thus have We subjected them to you that you may glorify Allah for that [to] which He has guided you; and give good tidings to the doers of good.” Haj 22:37
When we examine the conditions for qurbani animals in the Islamic jurisprudence books like the animal should be healthy and have all its organs, we see that they are a reflection of respect and obedience to Allah. What is dedicated to Him should be worthy of glory of His name. Moreover, one condition during the slaughter is not mentioning any other names but Allah only. Allah the Almighty says in the Qur’an:
“And do not eat of that upon which the name of Allah has not been mentioned, for indeed, it is grave disobedience.” An’am 6:121