merkhets
... that merkhets were Ancient Egyptian timekeeping devices that tracked the movement of certain stars over the meridian in order to ascertain the time during the night, when sundials could not function?
... that <b id="mwAU0"><a href="./Merkhet" id="mwAU4" rel="mw:WikiLink" title="Merkhet">merkhets</a></b> were <a class="mw-redirect" href="./Ancient_Egyptian" id="mwAU8" rel="mw:WikiLink" title="Ancient Egyptian">Ancient Egyptian</a> timekeeping devices that tracked the movement of certain stars over the <a class="mw-disambig" href="./Meridian" id="mwAVA" rel="mw:WikiLink" title="Meridian">meridian</a> in order to ascertain the time during the night, when <a href="./Sundial" id="mwAVE" rel="mw:WikiLink" title="Sundial">sundials</a> could not function?