Proto Proto-Hmongic language Proto-Dravidian language Proto-Norse language Proto-Germanic language Proto-Polynesian language Proto-Austroasiatic language Proto-Karenic language Proto-Austronesian language Proto-Semitic language Proto-Eskimoan language Proto-Japonic language Proto-Indo-Iranian language Proto-Finnic language Proto-Indo-European language Proto-Greek language Proto-Nahuan language Proto-language Proto-Kartvelian language Proto-Philippine language Proto-Oceanic language Proto-Mienic language Proto-Kra–Dai language Proto-Hmong–Mien language Proto-Eskaleut language Proto-human language Proto-Northwest Caucasian language Proto-cuneiform Proto-Loloish language Proto-Yeniseian language Proto-Sino-Tibetan…

n language Proto-Balto-Slavic language Proto-Kra language Proto-Elamite (period) Proto-Munda language Proto-Turkic language Proto-orthodox Christianity Proto-Iranian language Proto-Italic language Proto-Afroasiatic language Proto-Algonquian language Proto-Slavic language Proto-Kam–Sui language Proto-industrialization Proto-Niger–Congo language Proto-Malayo-Polynesian language Proto-Celtic language Proto-Sámi language Proto-Hlai language Proto-Admiralty Islands language Proto-punk Proto-Indo-Europeans Proto-Samoyedic language Proto-Georgian

–Zan language Proto-Sinaitic script Proto-Indo-European society Proto-Torres–Banks language Proto-Circassian language Proto-Mixe–Zoquean language Proto-South Dravidian language Proto-Indo-Aryan language Proto-religion Proto-Tai language Proto-Berber language Proto-Iroquoian language Proto-writing Proto-Pama–Nyungan language Proto-Basque language Proto-Anatolian language Proto-Khmeric language Proto-Malay Proto-Canaanite alphabet Proto-Abkhaz–Abaza language Frank Proto Proto-Armenian language Proto-Ionians Proto-Arabic language Proto-Tibeto-Burman language Proto-prog Proto-Totonacan language Proto-Mayan language Proto-Mongolic language Proto-Tocharian language Proto-Algic language Proto-Inuit language Proto-Afro-Asiatic Proto