urtar-ila is incorrectly written, and should be written as "urtarrila" being its meaning:
Basque word meaning January. The other months are these: otsaila: February, martxoa: March, apirila: April, majatza: may, ekaina: June, uztaila: July, abuztua: August, iraila: September, urria: October, azaroa: November and abendua: December