Be

Etymology

The triliteral root kāf wāw nūn (ك و ن) according to corpus.quran.com, occurs in the Quran 1390 times.

in Hebrew 'כּוּן - kun - to be firm, to possess (be) firm (character, disposition, spirit, hand), to possess conviction.

Compare with English «kinesis» - "the movement of an organism in response to an external stimulus; any energy that creates and controls movement; the force driving life forward".

Compare with English «cinema», from Ancient Greek «κίνημα - kī́nēma» - "movement", from Ancient Greek «κῑνέω - kīnéō» - "to set in motion, move, remove; to inflect; to meddle; to change, innovate; to begin, cause; to urge on, stir on", from Ancient Greek «*ḱey-» - "to settle".

In the Quran

(2:97) Say, "Whoever is (Arab. كَانَ, kāna) an enemy to Gabriel, then (know) that he has sent it down into your heart by God's permission, authenticating what is already present, and a guide and good news for those who acknowledge."

(19:13) And kindness from Us, and purity, and he was (Arab. وَكَانَ, wakāna) responsible (person).

(19:14) And pious to his parents, and never was he (Arab. يَكُنْ, yakun) despotic or disobedient.

(28:19) But when he intended to grip the one, who was their enemy, he said, "O Moses! Do you intend to kill me, as you killed a person yesterday? Obviously, you intend to be (Arab. تَكُونَ, takūna) a despot on the Earth! And you do not intend to be (Arab. تَكُونَ, takūna) among (self) improvers."