Usage: 2 forms in 2 verses
Form Translated As     In Verse(s)
σιελόσ saliva LXX.Isa.40.15
σίελα his saliva LXX.1Sam.21.13

Liddell-Scott-Jones

σίελον (sielon) saliva G:N-N

Related to: σίελον-ον

or σίελον, τό, spittle, saliva, [Refs 5th c.BC+]; σιάλῳ παιδία παραλείφειν Democrates cited in [Refs 4th c.BC+]

__II synovial fluid, [Refs 5th c.BC+]; the latter occurs [LXX+2nd c.AD+]

LSJ Scripture Refs: LXX.Isa.40.15LXX.1Kgs.21.13*