noun
long sea voyage
Rare, literary noun for a long journey by sea. Found mainly in classical or poetic Japanese; in modern language, expressions like 長い船旅 or 長い航海 are more common.
古い和歌に「八潮路」と詠まれた旅路がある。
There is a journey sung as 'yashioji' in an old waka poem.
Common word for a trip by ship; 八潮路 carries a more classical, literary tone.
The exact derivation is uncertain; the kanji 八潮路 literally suggest 'eight-tide road,' a poetic image for a long sea route.