English
horizonward
From horizon + -ward.
Formed from horizon + -ward
Proto-Hellenic *wórwos
…
Ancient Greek ὁρίζων
Old French orisonte
Middle French horizon
Middle English orisonte ‘the horizon’
English horizon
Today it means
adv Toward the horizon.
Language periods are conventional ranges, not dates for this word.
Etymograph / horizonward