Haha... the word I thought I caught was "complicated"... which is why I voted for Q-firn, because it's the only (fake) definition that seem complicated enough...

HOWEVER, I actually mistook "compacted" for "complicated"...

"partially compacted granular snow that is the intermediate stage between snow and glacial ice. Firn is found under the snow that accumulates at the head of a glacier. It is formed under the pressure of overlying snow by the processes of compaction, recrystallization, localized melting, and the crushing of individual snowflakes. This process is..."