Ancient Greek κᾰ́στᾰνᾰ

→ English chesten (mention)

→ Old English cisten (mention)

→ Arabic كستناء (borrowed)

→ Breton kistin (derived)

→ German Kastanie (mention)

→ French châtaigne (derived)

→ Cornish kesten (derived)

→ Latin castanea (mention)

→ Macedonian костен (derived)

→ Macedonian коштан (derived)

→ Dutch kastanje (mention)

→ Old Spanish castanna (derived)

→ Portuguese castanha (derived)

→ Romanian castan (derived)

→ Gallo châtain (derived)

→ Serbo-Croatian кестен (derived(sh/bg))

→ Serbo-Croatian кестен (derived)

→ Serbo-Croatian kesten (derived)

→ Albanian thanë (cognate)

→ Turkish kestane (derived)

→ Old Armenian կասկ (cognate)