semicolloquial

Etymology tree Proto-Indo-European *sem- Proto-Indo-European *sēmi Latin sēmi-bor. English semi- Proto-Indo-European *ḱe Proto-Indo-European *ḱóm Proto-Italic *kom Proto-Italic *kom- Latin con- Latin loquor Latin colloquor Proto-Indo-European *-yós Proto-Italic *-ios Old Latin -ios Latin -ius Latin -ium Latin colloquiumder. Middle English colloquies English colloquy Proto-Indo-European *h₂el-der.? Proto-Italic *-ālis Latin -ālisbor. Old French -albor. ▲ Latin -ālis Old French -elbor. ▲ Latin -ālisbor. Middle English -al English -al English colloquial English semicolloquial From semi- + colloquial.

来源：wiktionary