{"era":"current","word":"ain","meaning":"am not / are not (dialectal contraction)","children":[{"era":"1200s","word":"am not","meaning":"negated first-person singular copula","children":[{"era":"pre-1100","word":"eom / am","meaning":"first-person singular of 'to be'","children":[{"era":"pre-700","word":"*esmi","meaning":"I am","children":[],"language":"Proto-Germanic"}],"language":"Old English"}],"language":"Middle English"}],"language":"Modern English (dialectal)"}