"Kuiper [...] clearly puts it [the word for wheat] in the group of foreign words adopted before the Aryans reached India, [...] there are problems [...]. The trouble begins with the non-attestation of the word in the Rigveda. [...] It is puzzling because this earliest extant text in Sanskrit is supposed to be linked with the earliest Indo-Aryan speakers who entered India. Moreover, the geographical area of the genesis of the Ṛgveda is considered a fertile wheat producing region [...] As a matter of fact, there is abundant archaeological evidence of wheat remains from the Punjab [...] from the period before the invasion of Indo-Aryan speakers."