Lexical Definition

‎διανύω‎ dianýō (dee-an-oo'-o) to continue ^G:V
from ‎διά‎ and (to effect)

finish.

• to accomplish thoroughly

Abbott-Smith

** δι-ανύω [in LXX: II Mac 12:17 * ;]
1. to accomplish fully, finish, complete: Ac 21:7 (EV).
2. In late writers (Xen., al., Clem., I ad Cor., xxv, 3), to continue: Ac, l.c. (Field, Notes, 134 f.).†

Abbott-Smith References

Liddell-Scott-Jones

διανύω

(also διᾰνύτω [Refs 5th c.BC+] [ῠ], perfect -ήνυκα[Refs 2nd c.BC+]:—bring quite to an end, accomplish, finish, κέλευθα δ. finish a journey, [NT+5th c.BC+] having finished one's course over the sea, [Refs 8th c.BC+]; πλεῖον δ. traverse, of a point moving along a line, [Refs 4th c.BC+] arrive at a place, [Refs] —passive, ὁδὸς διηνυσμένη[Refs]: aorist infinitive διανυσθῆναι [Refs 5th c.AD+]: with participle, finish doing a thing, οὔ πω κακότητα διήνυσεν ἣν ἀγορεύων [Refs 8th c.BC+]; but πόνοις σε διδοῦσα διήνυσεν continued giving.., [Refs 5th c.BC+]: absolutely, live, [Refs]

_{LSJ Scripture Refs: Acts.21.7}