en.wiktionary.orgtilbaka - Wiktionary, the free dictionary From Wiktionary, the free dictionary tilbaka mud ʃirgi (“sand”) tɔ꞉rag (“dust”) tʊkala (“soil, earth, dirt”) tur (“land, earth”) Li, Fengxiang and Lindsay J. Whaley, Oroqen vocabulary, in Martin Haspelmath & Uri Tadmor (editors), World Loanword Database, Munich: Max Planck Digital Library (2009)