Gerund functioning as an uncountable or occasionally countable noun.
Definitionen
The act or process of spreading over or covering something completely. The rapid overspreading of lava formed a new crust on the island.
overspreadgerundium / partizip präsens Used attributively to describe something that is in the act of spreading over something else.
Definitionen
Spreading over; extending across. They rested beneath the overspreading branches of the oak.