OriginUnknown, perhaps from Proto-Indo-European *leb- (“to hang loosely”) – to which labium and lambō –, Proto-Slavic *lopěnъ (“burdock”) is also suggestive.
- declension-1, feminineburdock
Formslappae(genitive) · lappa(nominative, singular) · lappae(nominative, plural) · lappae(genitive, singular) · lappārum(genitive, plural) · lappae(dative, singular) · lappīs(dative, plural) · lappam(accusative, singular) · lappās(accusative, plural) · lappā(ablative, singular) · lappīs(ablative, plural) · lappa(singular, vocative) · lappae(plural, vocative)
Source: Wiktionary