Savage
Middle English: from Old French sauvage ‘wild’, from Latin silvaticus ‘of the woods’, from silva ‘a wood’.
wiktionary
From Middle English savage, from Old French sauvage, salvage(“wild, savage, untamed”), from Late Latin salvaticus, alteration of Latin silvaticus(“wild"; literally, "of the woods”), from silva(“forest", "grove”).
etymonline
savage (adj.)
mid-13c., "fierce, ferocious;" c. 1300, "wild, undomesticated, untamed" (of animals and places), from Old French sauvage, salvage "wild, savage, untamed, strange, pagan," from Late Latin salvaticus, alteration of silvaticus "wild," literally "of the woods," from silva "forest, grove" (see sylvan). Of persons, the meaning "reckless, ungovernable" is attested from c. 1400, earlier in sense "indomitable, valiant" (c. 1300).
savage (n.)
"wild person," c. 1400, from savage (adj.).
savage (v.)
"to tear with the teeth, maul," 1880, from savage (adj.). Earlier "to act the savage" (1560s). Related: Savaged; savaging.