attremo
Could not find adtremat in Logeion dictionaries.
adtremat Verb: present active subjunctive 3rd singular of attremo
at-trĕmo, ĕre, v. n.,
- to tremble at a thing (post Aug., and very rare): alicui, Stat. Th. 8, 81: censurae alicujus, Sid. Ep. 6, 1.
at-tremo (ad-tremo), ere, bei etw. zittern, beben, m. Dat., Stat. Theb. 3, 309; 8, 81. Sidon. ep. 6, 1.
See: attremere