火退, 逆焼, 野火, 燹: a backburn: a controlled fire deliberately set in the path of a wildfire to create a firebreak by removing combustible material

a baby, an infant (human or animal)

細い: thin, narrow

赤ちゃん: baby

be born

birth

直ぐに: immediately

直ぐ: immediately, right away, soon / 直ぐ: quick to / 直ぐ: right next to, right close by

straight, not bent

(obsolete) 過ぐ: classical form of modern 過ぎる (sugiru, “to go through, to go past; to exceed”)