-чатый

Etymology
Extracted by of words such as  (from  + ), where -ч- (< -к- with ) is part of the stem.

Usage notes
Note the following properties:
 * The stress is usually drawn onto the preceding syllable.
 * A preceding -л- is palatalized to -ль-; all other letters are depalatalized.
 * Some preceding occurrences of -е- that gain the stress become -ё-, but others remain -е-, without apparent pattern.