This root form (lemma) is used in 2 different forms in the NT: ἀριστερά (NFS), ἀριστερῶν (GNP).
It is glossed in 2 different ways: ‘the left’, ‘left hand’.
OET MAT 6:3 Greek word=ἀριστερά (aristera) Morphology=NFS English gloss=‘left hand’ SR GNT MAT 6:3 word 8
OET LUKE 23:33 Greek word=ἀριστερῶν (aristerōn) Morphology=GNP English gloss=‘the left’ SR GNT LUKE 23:33 word 30
OET 2COR 6:7 Greek word=ἀριστερῶν (aristerōn) Morphology=GNP English gloss=‘the left’ SR GNT 2COR 6:7 word 15