▁their ▁name . ▁The ▁historical , ▁eth n ographical ▁and ▁ge ographical ▁region ▁of ▁J ász s ág , ▁as ▁well ▁as ▁of ▁the ▁modern ▁J ász - N agy k un - S z ol n ok ▁County , ▁are ▁among ▁the ▁many ▁place ▁names ▁linked ▁to ▁them . ▁The ▁name ▁of ▁the ▁city ▁of ▁I a și ▁in ▁Roman ia ▁may ▁also ▁derive ▁from ▁the ▁name ▁of ▁the ▁people . ▁ ▁The ▁only ▁literary ▁record ▁of ▁the ▁J ass ic ▁language ▁was ▁found ▁in ▁the ▁ 1 9 5 0 s ▁in ▁the ▁Hung arian ▁National ▁Sz éch ény i ▁Library . ▁It ▁is ▁a ▁one - page ▁gl oss ary ▁containing ▁ 3 4 ▁words ▁mainly ▁related ▁to ▁products ▁of ▁agricult ure ▁( types ▁of ▁gra in , ▁cattle , ▁etc .) ▁probably ▁compiled ▁for ▁fis cal ▁or ▁merc ant ile ▁purposes . ▁The ▁gl oss ary ▁was ▁interpreted ▁with ▁the ▁help ▁of ▁Os set ian ▁analog ues ▁from ▁the ▁Dig or ▁dialect . ▁ ▁See ▁also ▁J asz ▁( J ass ic ) ▁people ▁ ▁References ▁▁ ▁Kim , ▁Ron ald . ▁" On ▁the ▁Historical ▁Ph on ology ▁of ▁Os set ic ." ▁Journal ▁of ▁the ▁American ▁Oriental ▁Society , ▁Vol . ▁ 1 2 3 , ▁No . ▁ 1 . ▁( Jan .- Mar ., 2 0 0 3 ), ▁pp .   4 3 – 7 2 . ▁ ▁Category : N ort he astern ▁Iran ian ▁languages ▁Category : 1 3 th ▁century ▁in