fortress
https://gyazo.com/b6180c2bf51f46684b1185e32a0adf07
source:
13th Black Crusade vs Iserlohn fortress | SpaceBattles Forums
noun
a
military
stronghold
, especially a
strongly
fortified
town
fit for a large
garrison
.
要塞, 城塞 (!
fort
は壁で守られた兵隊の駐屯地;
fortress
は大規模な城または城郭都市)
a person or thing not
susceptible
to
outside
influence
or
disturbance
:
堅固な場所［建物］; (外的影響を受けにくい)心の堅固な人
e.g.
he had proved himself to be a fortress of moral rectitude.
ORIGIN
Middle English
: from
Old French
forteresse
‘
strong
place
’, based on
Latin
fortis
‘
strong
’.