Encyclopædia Britannica s.v. "Chinese languages": "Old Chinese vocabulary already contained many words not generally occurring in the other Sino-Tibetan languages. The words for 'honey' and 'lion', and probably also 'horse', 'dog', and 'goose', are connected with Indo-European and were acquired through trade and early contacts. (The nearest known Indo-European languages were Tocharian and Sogdian, a middle Iranian language.) A number of words have Austroasiatic cognates and point to early contacts with the ancestral language of Muong–Vietnamese and Mon–Khmer."; Jan Ulenbrook, Einige Übereinstimmungen zwischen dem Chinesischen und dem Indogermanischen (1967) proponas 57 kazojn; vidu ankaŭ Tsung-tung Chang, 1988 Indo-European Vocabulary in Old Chinese.
Encyclopædia Britannica s.v. "Chinese languages": "Old Chinese vocabulary already contained many words not generally occurring in the other Sino-Tibetan languages. The words for 'honey' and 'lion', and probably also 'horse', 'dog', and 'goose', are connected with Indo-European and were acquired through trade and early contacts. (The nearest known Indo-European languages were Tocharian and Sogdian, a middle Iranian language.) A number of words have Austroasiatic cognates and point to early contacts with the ancestral language of Muong–Vietnamese and Mon–Khmer."; Jan Ulenbrook, Einige Übereinstimmungen zwischen dem Chinesischen und dem Indogermanischen (1967) proponas 57 kazojn; vidu ankaŭ Tsung-tung Chang, 1988 Indo-European Vocabulary in Old Chinese.
