2.1.1. Unlike other languages reconstructed in the past, Indo-European doesn’t have an old writing system to be revived with. Indo-European dialects have adopted different alphabets during the last millennia, and all of them should be usable today – although the main alphabet for today’s European Union is clearly the Latin one.

2.1.2. This is a summary table of Proto-Indo-European phonemes and their regular corresponding letters in MIE alphabets: Greek, Latin, Cyrillic, Perso-Arabic and (alphasyllabary) Devanāgarī.