Proto-Indo-European *tuHsont-

→ English thousand (derived)

→ Czech tisíc (inherited)

→ Finnish tuhat (derived)

→ Lithuanian tūkstantis (inherited)

→ Latvian tūkstotis (inherited)

→ Marshallese to̧ujin (derived)

→ Polish tysiąc (mention)

→ Russian тысяча (inherited)

→ Serbo-Croatian tisuća (derived)

→ Serbo-Croatian тисућа (derived)

→ Slovak tisíc (derived)

→ Slovene tisoč (derived)

→ Ukrainian тисяча (inherited)