Latvian siens

← Bulgarian сено́ (cognate)

← Czech seno (cognate)

← Old Church Slavonic сѣно (cognate)

← Ancient Greek κοινά (cognate)

← Proto-Balto-Slavic *šainan (mention)

← Proto-Balto-Slavic *šeinan (mention)

← Proto-Indo-European *ḱoynom (mention)

← Proto-Indo-European *ḱoy-no- (mention)

← Proto-Indo-European *ḱey- (mention)

← Lithuanian šiẽnas (cognate)

← Latvian sienas (mention)

← Polish siano (cognate)

← Russian се́но (cognate)

← Ukrainian сі́но (cognate)

→ Latvian siena (link)