þiestrian

== Old English == === Alternative forms === þȳstrian, þīstrian, þēstrian === Etymology === From Proto-West Germanic *þiustrijēn. === Pronunciation === IPA(key): /ˈθi͜yːs.tri.ɑn/ === Verb === þīestrian to be dark to become dark to make dark ==== Conjugation ==== ==== Derived terms ==== āþīestrian ==== Related terms ==== þēostrian ==== Descendants ==== Middle English: þestren, thestren