From Proto-Indo-Iranian *HlawpaHćás .
*HrawpaHcáh m [ 1]
fox
masculine a-stem
singular
dual
plural
nominative
*HrawpaHcáh
*HrawpaHcā́
*HrawpaHcā́
vocative
*HrawpaHca
*HrawpaHcā́
*HrawpaHcā́
accusative
*HrawpaHcám
*HrawpaHcā́
*HrawpaHcā́nh
instrumental
*HrawpaHcā́
*HrawpaHcáybyaH
*HrawpaHcā́yš
ablative
*HrawpaHcā́t
*HrawpaHcáybyaH
*HrawpaHcáybyah
dative
*HrawpaHcā́y
*HrawpaHcáybyaH
*HrawpaHcáybyah
genitive
*HrawpaHcáhya
*HrawpaHcáyāh
*HrawpaHcā́nam
locative
*HrawpaHcáy
*HrawpaHcáyaw
*HrawpaHcáyšu
Northeastern Iranian:
Khotanese: [script needed] ( rrūvāsa ) , [script needed] ( rrivāsa )
Ossetian:
Digor Ossetian: робас ( robas )
Iron Ossetian: рувас ( ruvas )
Sogdo-Bactrian:
Khwarezmian: روبس ( rwbs )
Proto-Sogdic: *ráo̭pasah Sogdian: (/rṓpə/)Buddhist: [script needed] ( rwps ) Manichaean script: 𐫡𐫇𐫛𐫘 ( rwps ) Yagnobi: rū́pas
Southeastern Iranian:
Ormuri: [script needed] ( rawas )
Proto-Shughni-Yazghulami-Munji:
Proto-Munji-Yidgha:
Munji: [script needed] ( rausa )
Yidgha: [script needed] ( rūso )
Proto-Shughni-Yazghulami:
Proto-Shughni-Roshani:
Sarikoli: rapc
Shughni: ру̊пц ( rū̊pc ) , ( Bartangi, Roshani ) рӯпц ( rūpc )
Yazghulami: рәпц ( rəpc ) , рәбц ( rəbc )
Northwestern Iranian:
Baluchi: [script needed] ( ropāsk )
Proto-Medo-Parthian:
Caspian:
Gilaki: [script needed] ( lavās )
Mazanderani: [script needed] ( luās )
Proto-Komisenian:
Old Median: *rawbāsah
Middle Median: *rūbās
Kermanic:
Yazdi: [script needed] ( ruwås )
Sivandi: rūbā
Southern Tati: [Term?] ( lūas )
Talysh:
Talysh: рывос
Talysh: rıvos
→ Elamite: 𒊏𒌋𒁀𒊓 ( ra-u-ba-sa )
Parthian: [script needed] ( rwbʾs /rōbās/ )
Proto-Zaza-Gorani:
Southwestern Iranian:
Old Persian: *raupāθah [ 1]
Middle Persian: [Book Pahlavi needed] ( wpʾh /rōbāh/ )
Classical Persian: روباه ( rōbāh )
Iranian Persian: روباه ( rubâh )
Tajik: рӯбоҳ ( rüboh )
Lurish رۋا ( rüā )
↑ 1.0 1.1 Novák, Ľubomír (2013 ) Problem of Archaism and Innovation in the Eastern Iranian Languages (PhD dissertation) [1] , Prague: Univerzita Karlova v Praze, filozofická fakulta, page 77