This is the 284th most frequent Arabic word.
لكنه
"But he" or "but it" (depending on context).
The word 'لكنه' is used here as a conjunction to introduce a contrasting statement.
كنت مستعدًا للذهاب، لكنه طلب مني الانتظار.
I was ready to go, but he asked me to wait.
In this sentence, 'لكنه' contrasts between appreciating a positive aspect while mentioning a negative one.
الطعام كان لذيذًا، لكنه كان ينقصه بعض التوابل.
The food was delicious, but it lacked some spices.
Here, 'لكنه' signifies a contrast between liking something and identifying its drawbacks.