Answer:

patho

Answer	Crossword Clue
PATHO	Logical start?
PATHO	Prefix for logical
PATHO	Disease: Comb. form.

PATHO	Suffering: Comb. form.
PATHO	Suffering: Prefix.
PATHO	Disease, in combos
PATHO	Prefix with logical or genic
PATHO	Prefix with logical
PATHO	Medical prefix with logical
PATHO	Prefix with -logy
PATHO	Logical beginning?

Crossword

a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.