This root form (lemma) is used in 2 different forms in the NT: προενήρξασθε (IAM2··P), προενήρξατο (IAM3··S).
It is glossed in 2 different ways: ‘he previously_began’, ‘previously_began’.
OET 2COR 8:6 Greek word=προενήρξατο (proenaʸrxato) Morphology=IAM3··S English gloss=‘he previously_began’ SR GNT 2COR 8:6 word 9
OET 2COR 8:10 Greek word=προενήρξασθε (proenaʸrxasthe) Morphology=IAM2··P English gloss=‘previously_began’ SR GNT 2COR 8:10 word 19