澪標: dolphin (structure used to indicate bounds of a water channel)

a dolphin erected as a daybeacon or daymark: a navigational marker indicating the bounds of a water channel / allusion to 尽くし (tsukushi, “exhausting”)

beautiful

(archaic) beautiful

筑紫: Tsukushi, an ancient province in Japan, roughly equivalent to modern Kyūshū

stem or continuative form of つくす (tsukusu) [godan]

spore stem of the common horsetail (スギナ (sugina)), sometimes eaten as food

to bloom / to make white waves appear

hypothetical and imperative forms of 咲く (saku) [godan]

park