noun
theatrical activities; theatre work
Refers broadly to activities related to theatre, such as acting, directing, stage production, or drama club participation.
大学では演劇活動に力を入れている。
At university, I put effort into theatrical activities.
彼女は演劇活動を通じて多くの友人を得た。
She made many friends through theatre work.
Compound of 演劇 (theatre, drama) and 活動 (activity, action). The exact historical derivation is uncertain, but the meaning is transparent from its components.