This root form (lemma) is used in 2 different forms in the NT: αἱρήσομαι (IFM1··S), εἵλατο (IAM3··S).
It is glossed in 2 different ways: ‘I will_be choosing’, ‘chose’.
OET PHP 1:22 Greek word=αἱρήσομαι (hairaʸsomai) Morphology=IFM1··S English gloss=‘I will_be choosing’ SR GNT PHP 1:22 word 14
OET 2TH 2:13 Greek word=εἵλατο (heilato) Morphology=IAM3··S English gloss=‘chose’ SR GNT 2TH 2:13 word 16