eş: des Nachts, nachtüber, zwischen Uhlenflucht und Hahnenkraht
zıt: tags, tagsüber, über Tag, am Tag, morgens, mittags
köken: From Middle High German nahtes, from Old High German nahtes, equivalent to the adverbial solidified genitive of Nacht (“night”), analogical form to tags. Cognate with English nights (adverb).
köken: From Proto-Italic *noktowe, from Proto-Indo-European *nokʷt-ew (“by night”). Cognate with Proto-Tocharian *nekʷtu- (“by night”) and Sanskrit अक्तु (aktú, “by night”). The noun form is either from *noctūd/*noktou, ablative and locative singular of *noktus or rebracketed from the adverb; compare Sanskrit अक्तु (aktú, “night”) and अक्तु (aktú, “by night”).
Noctuque et diu ut viro subdola sis,
[…] commune alacres […] continuum diu noctuque iter properabant.