They laid hold (επιλαβομενο). Second aorist middle participle of the common verb επιλαμβανω. The soldiers had no scruples about taking hold of any one of themselves (middle voice). Mark 15:21; Luke 27:32 use the technical word for this process αγγαρευω, which see for discussion and also about Cyrene.

Laid on him (επεθηκαν). Κ first aorist of επιτιθημ.

To bear it (φερειν). Present infinitive, to go on bearing.