£ain [ar. §$en] s. m.; pl. £uyūn [§uL2un] — freq. in toponimi («sorgente»): es. £Ain Fashka [§$en f#ška] (Giord.) — adattam. it. ain [#in]: es. Ain Zara [#in z#ra] (Libia) — adattam. fr. aïn [a&n]: es. Aïn Séfra [a&n Sefr#] (o Aïn Sefra [id.]) (Alg.)