Lexical Definition

‎ἀναστενάζω‎ anastenázō (an-as-ten-ad'-zo) to sigh deeply ^G:V
from ‎ἀνά‎ and ‎στενάζω‎

sigh deeply.

• to sigh deeply

Abbott-Smith

ἀνα-στενάζω, [in LXX: La 1:4 (אנח ni.), Si 25:18 (17), Da TH Sus 22, II Mac 6:30*;]
to sigh deeply: Mk 8:12.†

Abbott-Smith References

Liddell-Scott-Jones

ἀναστενάζω-στενάζω,

={ἀναστενάζωστένω}, [NT+5th c.BC+] such bitter words didst thou groan forth, [Refs 5th c.BC+]

__II with accusative person, groan for, lament, [Refs 5th c.BC+]

_{LSJ Scripture Refs: Mark.8.12}