cena pura is used by Augustine, although there is no evidence that its meaning in Africa extended beyond the Jewish religious context to simply refer to the day of Friday. It is additionally speculated that the Sardinian word for the month of June, lámpadas ("lamps"), could have a connection to African usage due to references by Fulgentius and in a work on the Nativity of John the Baptist to a lampadarum dies ("day of the lamps") during the harvest in June. Additionally, it is notable that Sardinian is the only Romance language in which the name for the Milky Way, , meaning "the Way of Straw", also occurs in Berber languages, hinting at a possible African Romance connection. Blasco Ferrer suggests that the Latin demonstrative ipse/-a, from which derive both the Sardinian definite article su/sa as well as the subject personal pronouns , could have exerted influence on the Berber feminine prefix ta, especially in its alternative forms θa, possibly via an intermediate form *tsa. Apart from Sardinian, the only other Romance varieties which take their article from ipse/-a (instead of ille/-a) are the Catalan dialects of the Balearic islands and certain areas of Girona, the Vall de Gallerina and tàrbena, as well as medieval Gascon. However, the connection between ipsa and ta remains highly speculative and without concrete evidence. Muhammad al-Idrisi additionally observes cultural similarities between Sardinians and Roman Africans, saying that "the Sardinians are ethnically Roman Africans, live like the Berbers, shun any other nation of Rûm; these people are courageous and valiant, that never part with their weapons." Alternative theories: Eastern Romance and Hispano-Romance More recent research could point towards an alternate development for the Latin spoken in the province of Mauretania in western North Africa. Although agreeing with previous studies that the Late Latin of the interior province of Africa Proconsularis certainly displayed Sardinian vocalism, Adamik argues based on inscriptional evidence that the vowel system was not uniform across the entirety of the North African coast, and there is some indication that the Latin variety of Mauretania Caesariensis was possibly changing in the direction of the asymmetric six-vowel system found in Eastern Romance languages such as Romanian: /a, ɛ, e, i, o, u/. In Eastern Romance, on the front vowel axis short ǐ [ɪ] merged with long ē [e(ː)] as /e/ while keeping short ĕ /ɛ/ as a separate phoneme (as in Italo-Western Romance), and on