Vindictive

google

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early 17th century: from Latin vindicta ‘vengeance’ + -ive.

wiktionary

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From Latin vindicta(“vengeance”), from vindico(“claim, vindicate”), from vindex(“defender”), +‎ -ive.

etymonline

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vindictive (adj.)

1610s, "vengeful," from Latin vindicta "revenge" (see vindication) + -ive; or perhaps a shortening of vindicative based on the Latin word. From 1620s as "punitive, retributive," rather than personally vengeful or deliberately cruel. Related: Vindictively.