Armadillo
来自Big Physics
late 16th century: from Spanish, diminutive of armado ‘armed man’, from Latin armatus, past participle of armare ‘to arm’.
wiktionary
Borrowed from Spanish armadillo, diminutive of armado(“armored”), in reference to its protective plates.
etymonline
armadillo (n.)
burrowing mammal of the American tropics, 1570s, from Spanish armadillo, diminutive of armado "armored," from Latin armatus, past participle of armare "to arm, furnish with weapons," from arma "weapons" (including defensive armor), literally "tools, implements (of war);" see arm (n.2). So called for its hard, plated shell.
