eca , ▁Am at it án ▁and ▁Ah ual ul co ▁de ▁Mer c ado . ▁ ▁History ▁ ▁N omen cl ature ▁and ▁se al ▁The ▁name ▁is ▁derived ▁from ▁the ▁N ahu at l ▁X alis co , ▁which ▁means ▁" over ▁a ▁sand y ▁surface ". ▁Until ▁about ▁ 1 8 3 6 , ▁the ▁name ▁was ▁sp elled ▁" X alis co ," ▁with ▁the ▁" x " ▁used ▁to ▁indicate ▁the ▁" sh " ▁sound ▁from ▁N ahu at l . ▁However , ▁the ▁modern ▁Spanish ▁based ▁pron unci ation ▁is ▁represented ▁with ▁a ▁" j ." ▁J alis co ▁is ▁pron ounced ▁ ▁or ▁, ▁the ▁latter ▁pron unci ation ▁used ▁mostly ▁in ▁dialect s ▁of ▁southern ▁Mexico , ▁the ▁Car ib bean , ▁much ▁of ▁Central ▁America , ▁some ▁places ▁in ▁South ▁America , ▁and ▁the ▁Can ary ▁Islands ▁and ▁western ▁And alus ia ▁in ▁Spain ▁where ▁ ▁has ▁become ▁a ▁vo ic eless ▁gl ott al ▁fr ic ative ▁( ). ▁The ▁coat ▁of ▁arms ▁for ▁Gu adal aj ara ▁was ▁adopted ▁and ▁adapted ▁as ▁the ▁state ▁se al ▁since ▁ 1 9 8 9 ▁with ▁minor ▁changes ▁to ▁distinguish ▁the ▁two . ▁ ▁The ▁nick name ▁for ▁people ▁from ▁J alis co , ▁" t apat ío ", ▁der ives ▁from ▁the ▁N ahu at l ▁word ▁tap ati ot l ▁( the ▁name ▁of ▁a ▁mon et ary ▁unit ▁in ▁pre - Col umb ian ▁times ); ▁Francis can ▁Al onso ▁de ▁Mol