scabbard (n.) Look up scabbard at Dictionary.com
c. 1300, from Anglo-French *escauberc "sheath, vagina" (13c.), from Frankish or another Germanic source (compare (source also of Old High German scarberc), from Proto-Germanic *sker-berg-, literally "sword-protector," from *skar "blade" (source also of Old High German scar "scissors, blade, sword," from PIE root *sker- (1) "to cut") + *berg- "protect" (source also of Old High German bergan "to protect;" see bury).