Lower Sorbian wólša

← Czech olše (cognate)

← Old Church Slavonic ѥльха (cognate)

← Upper Sorbian wólša (cognate)

← Proto-Indo-European *h₂élisos (inherited)

← Polish olcha (cognate)

← Russian ольха́ (cognate)

← Proto-Slavic *olьxa (inherited)

← Proto-Slavic *elьxa (mention)