The linguistic evidence has indisputably shown that roots of Romani language lie in the Indian subcontinent: the language has grammatical characteristics of Indic languages and shares with them a big part of the basic lexicon, for example, body parts, daily routines and numerals. More exactly, Romani shares the basic lexicon with Hindi and Punjabi. It shares many phonetic features with Marwari, while its grammar is closest to Bengali. Linguistic evaluation carried out in the nineteenth century by Pott (1845) and Miklosich (1882–1888) showed that the Romani language is to be classed as a New Indo-Aryan language (NIA), not a Middle Indo-Aryan (MIA), establishing that the ancestors of the Romani could not have left the Indian subcontinent significantly earlier than AD 1000, then finally reaching Europe several hundred years later. Genetic findings in 2012 suggest the Romani originated in the northwestern region of the Indian subcontinent and migrated as a group. According to a genetic study in 2012, the ancestors of present scheduled tribes and scheduled caste populations of northern India, traditionally referred to collectively as the "Ḍoma", are the likely ancestral populations of modern "Roma" in Europe. Migration to Spain How and when the Romani arrived in the Iberian Peninsula from Northern India is a question whose consensus is far from being reached. A popular theory, although without any documentation, claims they came from North Africa, from where they would have crossed the Strait of Gibraltar to meet again in France with the northern migratory route. Thus, gitanos would be a deformation of Latin Tingitani, that is, from Tingis, today Tangier. Another, more consistent theory, and well documented, is that they entered the Iberian Peninsula from France. Although there is controversy of the date of the first arrival, since there is evidence of a safe conduct granted in Perpignan in 1415 by the infante Alfonso of Aragon to one Tomás, son of Bartolomé de Sanno, who is said to be "Indie Majoris". Or instead, could be the so-called Juan de Egipto Menor, who entered through France, who in 1425 Alfonso V granted him a letter of insurance, which is mostly accepted as the first Romani person to reach the peninsula. In 1435 they were seen in Santiago de Compostela. Gitanos were recorded in Barcelona and Zaragoza by 1447, and in 1462 they were received with honors in Jaén. Years later, to the gitanos, the grecianos, pilgrims who penetrated the Mediterranean