A
participle is a word having the characteristics of both verb and adjective.
a detailed explanation is here:
Verbals: Gerunds, Participles, and Infinitives: Participles - The OWL at Purdue
A
gerund is a verbal noun ending in
-ing that has the function of a noun and at the same time shows the verbal features of tense, voice, and capacity to take adverbial qualifiers and to govern objects.
a detailed explanation is here:
Verbals: Gerunds, Participles, and Infinitives - The OWL at Purdue