Qualities

long

Source:*dьlgъProto-Slaviccertain

The syllabic l of *dьlgъ comes out as ол/ов, łu, lou and u.

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English

long

Polish

długi

ˈdwuɡʲi

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In all five languages

BCS script

Latin under Cyrillic

Russian
дли́нныйdlinnyj
ˈdlʲinːɨjinherited
Built on длина́ 'length'; the direct reflex до́лгий now means long in time.
Ukrainian
до́вгийdovhyj
ˈdɔwɦɪjinherited
Polish
długi
ˈdwuɡʲiinherited
Czech
dlouhý
ˈdlou̯ɦiːinherited
Bosnian-Croatian-Serbian
dugдуг
duɡinherited
Dugačak is a common longer synonym.
English
long