The 25-year-old winger initially joined the Wild Tigers on loan from Al-Jazira on the final day of the January transfer window, following a 2025 summer move to the UAE giants.
Since arriving in Denmark, the winger has established himself as a key figure in the squad, featuring in every league match and recording two goals and an assist in 10 appearances.
"I am very happy to sign a permanent contract with FC Nordsjælland. I have enjoyed my time here immensely and felt at home from the very first day," Adel told the club’s official website following the announcement.
"The players and coaching staff have given me a warm welcome and helped me adapt quickly, for which I am very grateful," he added.
The former Pyramids FC star, who has earned 22 caps and scored three goals for the Pharaohs, noted the competitive nature of the Danish Superliga.
"It has been very exciting and challenging to play in the Danish league because the level is very high. I look forward to the future here; I like our style of play as it suits me perfectly," Adel said.
Looking ahead, Adel is focused on securing continental football for his side.
"My focus now is on qualifying for European competitions next season, and I hope to help the team win a trophy in the coming years," Adel added.
Nordsjælland currently sit third in the championship group with 47 points, as they are preparing to face fifth-placed SønderjyskE (44 points) in a decisive season finale.
Nordsjælland need only a draw to guarantee third place and a spot in the UEFA Conference League next season.
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