Answer:

jabberwocky

AnswerCrossword Clue
JABBERWOCKYMeaningless talk
JABBERWOCKYSource of the starred neologisms
JABBERWOCKYPoem with a jubjub bird and a tumtum tree
JABBERWOCKYNonsense
JABBERWOCKYCarroll poem
JABBERWOCKY"O frabjous day!" source
JABBERWOCKYPoem that begins "'Twas brillig"
JABBERWOCKYNonsense.
JABBERWOCKY"'Twas brillig" etc.
JABBERWOCKYCarroll creation
JABBERWOCKYNonsense words
JABBERWOCKYGibberish
JABBERWOCKYLewis Carroll poem
JABBERWOCKYPoem with a tumtum tree
JABBERWOCKY"'Twas brillig, and the slithy toves . . ."