ichidan verb, intransitive verb
visit frequently; haunt; go to regularly
Implies going to the same place repeatedly, often with a sense of dedication or obsession. Commonly used for shops, restaurants, hospitals, or other establishments.
彼は毎日のようにあのラーメン屋に通い詰めている。
He goes to that ramen shop almost every day.
病気の母を見舞うために、彼女は病院に通い詰めた。
She visited the hospital frequently to see her sick mother.