zidderen

== Luxembourgish == === Etymology === From Middle High German zittern, from Old High German zittarōn. Cognate with German zittern, English titter, Icelandic titra. === Pronunciation === IPA(key): /ˈt͡sidəʁən/ === Verb === zidderen (third-person singular present ziddert, past participle geziddert, auxiliary verb hunn) (intransitive) to tremble ==== Conjugation ====