altiloquentyoudaoicibaDictYouDict[altiloquent 词源字典]
"Of speech, writing, etc.: characterized by altiloquence; loud, elevated, pompous, or high-flown. Occasionally also of a person: using such language", Mid 17th cent.; earliest use found in Thomas Blount (1618–1679), antiquary and lexicographer. From alti- + -loquent, after altiloquence.[altiloquent etymology, altiloquent origin, 英语词源]