Ruijgh 2011: 'coastal region', from the Homeric and Arcado-Cyprian root ἁλ- 'sea'
Chadwick & Ventris 1973: 'coastal regions', cf. ἐφαλος (Iliad II.538+)
Chadwick, John and Michael Ventris, 1973 Documents in Mycenaean Greek
Ruijgh, C.J., 2011 A Companion to Linear B: Mycenaean Greek Texts and their World vol. II (ed. Yves Duhoux and Anna Morpurgo Davies) "Mycenaean and Homeric Language"