Tactical

google

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late 16th century (in the sense ‘relating to military or naval tactics’): from Greek taktikos (see tactic) + -al.

wiktionary

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From tactic +‎ -al.

etymonline

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tactical (adj.)

1560s, "pertaining to tactics," from Modern Latin tactica (see tactics) + -al (1). Meaning "characterized by adroit management" is from 1883. In reference to nuclear weapons ("for limited use in military operations," opposed to strategic) it is recorded from 1957. Related: Tactically.