undertaken
v.v. to start a job, task, or responsibility that might be difficult or take a long time. It means you agree to do the work and begin the process.
v. the past participle of 'undertake', meaning to commit oneself to and begin a task, project, or responsibility. Often implies a formal or significant commitment to a complex process.
The team has undertaken a massive new project this month.
The university has undertaken a complete review of its safety policies to better protect students on campus.
Having undertaken the arduous task of cataloging the entire archive, the historian discovered several letters that fundamentally altered the established narrative of the war.
The past participle of the irregular verb 'undertake' (undertake, undertook, undertaken). It is transitive and requires a direct object.
The work was undertook by experts.The work was undertaken by experts.Learners often confuse the simple past 'undertook' with the past participle 'undertaken' in passive constructions.