Wane (verb / noun) — يقل أو ينقص: To decrease in power or size. Below are 7 words with a similar meaning; the linked ones have full GL Dictionary entries with their meaning in Arabic.
To lose colour, strength or clarity gradually.
to make or become smaller, fewer, or less; to reduce in size, extent, or intensity; to cause to seem less impressive or valuable; to decrease in importance…
To gradually become smaller, fewer, or less; to diminish steadily in size, amount, or strength until little remains
To make or become weaker.
declinedecreaseebb