Intel etymology in English

Etymology Blog

English word intel comes from Latin intelligentia, and later Old French intelligence (Ability to comprehend. Comprehension. Meaning.)

Dictionary entry	Language	Definition
intelligentia	Latin (lat)
intelligence	Old French (fro)	Ability to comprehend. Comprehension. Meaning.
intelligence	English (en)	(countable) A political or military department, agency or unit designed to gather information, usually secret, about the enemy or about hostile activities.. (countable) An entity that has such capacities.. (dated) Acquaintance; intercourse; familiarity.. (uncountable) Capacity of mind, especially to understand principles, truths, facts or meanings, acquire knowledge, and apply it to [...]
intel	English (en)	Intelligence (secret information).

Intel etymology