terramare
/ˌterəˈmɑːreɪ/noun
mass noun
1- an ammoniacal earthy deposit found in mounds in prehistoric lake dwellings or settlements, especially in Italy（尤指在意大利史前的湖上住宅或村落中发现的）氨土。
1.1
- a dwelling or settlement of this type（意大利史前的）湖上住宅（或村落）。
词源
mid 19th cent.: from French， from Italian dialect terramara, from Italian terra 'earth' + marna 'marl'.