English
actor-proof
From actor + -proof.
Formed from actor + -proof
Proto-Indo-European *h₂eǵ-
…
Latin agō ‘to do’
Latin āctus
Latin āctor ‘doer’
Middle English actour ‘an actor’
English actor
Today it means
adj Of a play or a dramatic part: sufficiently good that it should be able to succeed even with an inferior cast.
Language periods are conventional ranges, not dates for this word.
Etymograph / actor-proof