Here is a list of essential compound words, mandatorily breakable to the roots from:
- Indogermanisches etymologisches Wörterbuch
- Indogermanisches Wörterbuch
- WikiLing searchable database
that didn't exist in PIE, and that we need to have. Their IPA pronunciation key is explained in Proto-Indo-European Alphabet.
| English | Latin | PIE |
|---|---|---|
| Art | Ars | Artom |
| Literature | Litterae | Leitorom |
| Science | Scientia | Skaitom |
| Society | Societas | Sokᵘ̯i̯otom |
| Technology | Technologia | Teknoleg̑om |
| Alphabet | Abecedarium | Skerībʰom |
| Rune | Runa | Rənom |
| Description | Descriptio | Deskerībʰi̯om |
| Informatics | Informatica | Enbʰermotikom |
| Information | Informatio | Enbʰermotiom |
Time[]
| English emperor-named | Latin emperor-named | English number-named | Latin number-named | PIE |
|---|---|---|---|---|
| January | Ianuarius | Undecember | Undecember | Oinodek̑m̥obʰorom |
| February | Februarius | Duodecember | Duodecember | Du̯ōdek̑m̥obʰorom |
| March | Martius | Primile | Primilis | Pr̥miliom |
| April | Aprilis | Sectile | Sectilis | Sekᵘ̯toliom |
| May | Maius | Tertile | Tertilis | Triti̯oliom |
| June | Iunius | Quartile | Quartilis | Kᵘ̯eturi̯oliom |
| July | Iulius | Quintile | Quintilis | Penkᵘ̯toliom |
| August | Augustus | Sextile | Sextilis | Su̯ek̑stoliom |
| Tibery | Tiberius | September | September | Septm̥obʰorom |
| Caligul | Caligula | October | October | Ok̑tōbʰorom |
| Claudy | Claudius | November | November | Neu̯n̥obʰorom |
| Ner | Nero | December | December | Dek̑m̥obʰorom |
| English | Latin | PIE |
|---|---|---|
| Sunday | Dies Solis | Sā́u̯elodiu̯esom |
| Monday | Dies Lunae | Leuk̑nodiu̯esom |
| Tuesday | Dies Martis | Mag̑ʰu̯erodiu̯esom |
| Wednesday | Dies Mercurii | Merk̑u̯orodiu̯esom |
| Thursday | Dies Iovis | Di̯ēuspətērodiu̯esom |
| Friday | Dies Veneris | U̯enərodiu̯esom |
| Saturday | Dies Saturni | Sētornodiu̯esom |
| Century | Saeculum | Sēku̯olom |
| Year | Annus | I̯ērom |
| Month | Mensis | Mēnōtom |
| Day | Dies | Diu̯esom |
| Hour | Hora | I̯ōrom |
| Minute | Minuta | Meinutom |
| Second | Secunda | Sekᵘ̯otom |
When editing, remember that: c f j v w y do not exist in PIE, the first three letters are 'a, b and d'. See Alphabet.