nightward
/ˈnʌɪtwəd/Now chiefly poetic and literary
adverb
Towards night.
adjective
Formerly: †coming, taking place, etc., towards nightfall (obsolete ). Now: in the direction of or leading towards the night; westward.
Origin
Early 17th century; earliest use found in Mary Wroth (b.?1587), author. From night + -ward.