From a nasalised variant of Arabic إجّاص (ʔijjāṣ) with a fused definite article. Compare Algerian Arabic لنجاص (lanjāṣ) and Maltese lanġas.
لنجاص • (langāṣ) m (collective, singulative لنجاصة f (langāṣa), paucal لنجاصات (langāṣāt))