nom. *diē̆us;voc. *dieu;acc. *diēm (< *dieum);gen. *diu̯os (>> PIt. *dieu̯os);dat. *diu̯ei

http://lila-erc.eu/data/lexicalResources/BrillEDL/id/etymon/pie0594 an entity of type: Etymon

*diē̆us
Etymology for: Iūpiter (la0837)
nom. *diē̆us;voc. *dieu;acc. *diēm (< *dieum);gen. *diu̯os (>> PIt. *dieu̯os);dat. *diu̯ei 
10964 
PIE 
lemonEty:Etymon
_:8c47071e24e2863eea40424789b6e221
_:9e499c261bcc26f213721c8d6a456367
_:d367d70ea31aca95ef35662a78796e86
_:5f4edb6e8287993b183f6b38c300247b
_:7948c011554e47a9e0a0113be8ad027b

blank nodes

_:8c47071e24e2863eea40424789b6e221
*diē̆us 
<https://lexinfo.net/ontology/2.0/lexinfo.owl#nominative>
_:9e499c261bcc26f213721c8d6a456367
*diu̯ei 
<https://lexinfo.net/ontology/2.0/lexinfo.owl#dative>
_:d367d70ea31aca95ef35662a78796e86
*diu̯os 
<https://lexinfo.net/ontology/2.0/lexinfo.owl#genitive>
_:5f4edb6e8287993b183f6b38c300247b
*dieu 
<https://lexinfo.net/ontology/2.0/lexinfo.owl#vocative>
_:7948c011554e47a9e0a0113be8ad027b
*diēm 
<https://lexinfo.net/ontology/2.0/lexinfo.owl#accusative>

data from the linked data cloud