Rolltreppe

== German == === Etymology === Ca. 1898, from rollen (“to roll”) +‎ Treppe (“staircase”), possibly after French escalier roulant (of roughly contemporaneous attestation). === Pronunciation === IPA(key): /ˈʁɔlˌtʁɛpə/ Hyphenation: Roll‧trep‧pe === Noun === Rolltreppe f (genitive Rolltreppe, plural Rolltreppen) escalator Synonym: (technical or officialese) Fahrtreppe ==== Declension ==== ==== Hypernyms ==== Treppe === Further reading === “Rolltreppe”, in Digitales Wörterbuch der deutschen Sprache‎[1] (in German) “Rolltreppe” in Duden online