Time & numbers

thousand

Source:*tysǫtjaProto-Slaviccertain

The *tj gives a neat test: ч, ч, c, c, ć (тысяча, tysiąc, tisíc, tisuća).

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English

thousand

Polish

tysiąc

ˈtɨɕɔnts

Cognate· distant (Indo-European)Same source — the sound laws connect them.

In all five languages

BCS script

Latin under Cyrillic

Russian
ты́сячаtysjača
ˈtɨsʲɪtɕəinherited
East Slavic continues a variant with *ę.
Ukrainian
ти́сячаtysjača
ˈtɪsʲatʃainherited
Polish
tysiąc
ˈtɨɕɔntsinherited
Czech
tisíc
ˈcɪsiːtsinherited
Old Czech tisúc; ú later became í after the soft consonant.
Bosnian-Croatian-Serbian
hiljadaхиљада
ˈxiʎadadifferent word · Greek chiliáda 'a thousand'
Standard-specific words: tisuća (Croatian) — The inherited Slavic word, from *tysǫtja.
English
thousand
Distant English relative — Thousand and *tysǫtja are a word only Germanic and Balto-Slavic share, roughly 'swollen hundred'.