Loĵbano (accusative Loĵbanon)
From Lojban lojban, formed from rafsi loj (logji, from Mandarin 邏輯 (luóji), English logic, Spanish lógica, and Russian логика (logika)) and ban (bangu, from Mandarin 語言 (yǔyán), English language, Hindi भाषा (bhāṣā), Spanish lengua, and Arabic لسان (lisān)).