taru-adjective, adverb taking the 'to' particle
one after another; in succession; in a row
Describes things occurring or appearing continuously, often with a sense of unbroken sequence. Used adverbially with と or as a たる adjective.
新製品が陸続と発表された。
New products were announced one after another.
観光客が陸続と訪れている。
Tourists are visiting in a steady stream.