This root form (lemma) is used in 2 different forms in the NT: ἐναρξάμενοι (PAM·NMP), ἐναρξάμενος (PAM·NMS).
It is glossed in 1 way: ‘having begun’.
OET GAL 3:3 Greek word=ἐναρξάμενοι (enarxamenoi) Morphology=PAM·NMP English gloss=‘having begun’ SR GNT GAL 3:3 word 4
OET PHP 1:6 Greek word=ἐναρξάμενος (enarxamenos) Morphology=PAM·NMS English gloss=‘having begun’ SR GNT PHP 1:6 word 6