Strong's G778 · Greek

ἀσκός

askeo · as-keh'-o

probably from the same as 4632; to elaborate, i.e. (figuratively) train (by implication, strive)

Scholarly Lexicons

Abbott-Smith Manual Greek Lexicon

 1 ** ἀσκέω , -ῶ , [in LXX: II Mac 15:4 *;] to adorn (poët.). to practise , exercise (Hdt., Xen.). to endeavour (Xen., al.): c. inf., Ac 24:16 .† 

G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain