The Proto-Indo-European culture had some or all of these features:
ð ə WORD_BOUNDARY p ɹ oʊ t oʊ ɪ n d oʊ j ʊ ɹ ɹ ə p iə n WORD_BOUNDARY k ʌ l t̠ʃ ə ɹ WORD_BOUNDARY h æ d WORD_BOUNDARY s ʌ m WORD_BOUNDARY ɔ ɹ WORD_BOUNDARY ɔ l WORD_BOUNDARY ʌ v WORD_BOUNDARY ð iː z WORD_BOUNDARY f iː t̠ʃ ə ɹ z WORD_BOUNDARY