Liddell-Scott-Jones
στέαρ (stear) fat G:N-N
στέαρ, τό,
genitive στέατος [see. entry near the end]; contraction στῆρ, [LXX+3rd c.BC+], genitive στῆτος [Refs 3rd c.BC+]; also στεῖαρ, genitive στείατος [Refs 4th c.AD+] H.:—hard fat, suet, such as ruminating animals have, opposed to πιμελή (soft fat), ἐκ δὲ στέατος ἔνεικε μέγαν τροχόν a large cake of suet, [στέαρ 4th c.BC: Aristoteles Philosophus “de Partibus Animalium” 651a26; τὸ τῶν ἰχθύων σ. πιμελῶδες [prev. author] “HA” 520a21, +others ">Refs 8th c.BC+]
__2 any animal fat, σ. τῆς ἄρκτου [LXX+5th c.BC+]; so σ. χήνειον, ὀρνίθειον, etc., [Refs 1st c.AD+]
__II ={σταῖς} (which see), dough made from flour of spelt, [LXX+8th c.BC+]; στέᾱτι trisyllable, [Refs 4th c.BC+]; compare στεάτιον.] (Prob. from *στᾱyαρ, cf. Sanskrit styāyate 'congeal, grow hard'.)
LSJ Scripture Refs: LXX.Lev.3.15 ☩ LXX.Ps.80.17*