Lexical Definition

‎ἀνάχυσις‎ anáchysis (an-akh'-oo-sis) outpouring ^G:N-F
from a comparative of ‎ἀνά‎ and (to pour)

excess.

• properly, effusion, i.e. (figuratively) license

Abbott-Smith

*† ἀνά-χυσις, -εως, ἡ (< ἀναχέω, to pour out),
a pouring out, overflowing, excess: metaph., I Pe 4:4 (MM, VGT, s.v.).†

Abbott-Smith References

Liddell-Scott-Jones

ἀνάχυσις, εως, ἡ, ἀναχέω

expansion, effusion, χολῆς[Refs 3rd c.BC+]exhilaration, [Refs 1st c.AD+]

__b exhalation, τοῦ ὠκεανοῦ (causing fogs) [Refs 4th c.BC+]
__2 ἡ τῆς ἀσωτίας ἀ. excess of profligacy, [NT+1st c.AD+]; of enthusiasm, [Refs 4th c.AD+]
__II expanse of water, e.g. estuary, [Refs 1st c.BC+]inundations, [Refs 1st c.BC+]
__III an expectorant, ={σύμφυτον}, Ps.-[Refs 1st c.AD+]

_{LSJ Scripture Refs: 1Pet.4.4}