English
fortresslike
From fortress + -like.
A compound of fortress + -like
Proto-Indo-European *bʰerǵʰ- ‘to rise, high, hill’
…
Old Latin forctis
Latin fortis ‘strong’
Medieval Latin fortalitia
Old French forteresce ‘strong place, fortification’
English fortress
Today it means
adj Resembling a fortress in shape or impregnability.
Language periods are conventional ranges, not dates for this word.
Etymograph / fortresslike