entail
v.to involve something as a necessary part or result. If a job entails travel, you must travel to do the job correctly.
v.to involve or require something as an inevitable consequence. Transitive; typically takes a noun phrase or a gerund as its direct object.
“The new job will entail a lot of travel.”
“Repairing the old bridge will entail closing the main road for at least three months this summer.”
“While the proposal promises significant long-term savings, it would necessarily entail a substantial initial investment that the current budget cannot support without external financing.”
The verb is transitive and often followed by a gerund (e.g., 'entails moving') rather than an infinitive.
When followed by another action, this verb requires the -ing form (gerund) rather than the 'to' infinitive.
From Middle English entaillen, from Old French entaillier, entailler (“to notch”, literally “to cut in”); from prefix en- + tailler (“to cut”), from Late Latin taliare, from Latin talea. Compare late Latin feudum talliatum (“a fee entailed, i.e., curtailed or limited”).
From Middle English entaille (“carving”), from Old French entaille (“incision”), from the verb entailler. See above.
Etymology adapted from Wiktionary, available under CC BY-SA 4.0.