Α

*a-: in composition(1) privative, see ἀν-.(2) copulative, originally σα, contains an idea of union, as in ἅπᾶς (πᾶς), ἀολλης (fείλλω).(3) prothetic, a simple euphonic prefix, as in ἄποινα (ποινή), ἀστήρ (Eng. star).