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! Type in unicode polytonic Greek using beta code as indicated below:
/a => ά \a => ὰ =a => ᾶ )a => ἀ
(a => ἁ !a => ᾳ +i => ϊ h => η
q => θ x => χ c => ξ z = ζ
j => ψ w => ω s => σ, ς  
Combine punctuation marks when necessary e.g. )/a => ἄ
ἀπείργω

1 separar com barreira; separar; limitar; demarcar (terra) 2 fechar 3 afastar alguém, ac., de, gen. 
4 impedir de, inf. 5 excluir

méd. 6 excluir; manter longe 7 abster-se; afastar-se. 〈ἀπό, εἴργω〉