Usage: 4 forms in 19 verses
Form Translated As     In Verse(s)
λημμάτων their concerns LXX.Hag.2.14
λήμματοσ his concern LXX.Job.31.23
λήμματα concerns LXX.2Chr.24.27LXX.Lam.2.14
λήμμα concern LXX.2Chr.24.6LXX.Jer.23.33LXX.Jer.23.33LXX.Jer.23.34LXX.Jer.23.36LXX.Jer.23.36LXX.Jer.23.38LXX.Jer.23.38LXX.Nah.1.1LXX.Hab.1.1LXX.Zech.9.1LXX.Zech.12.1LXX.Mal.1.1
his concern LXX.Hab.1.7
this concern LXX.2Kgs.9.25

Liddell-Scott-Jones

λῆμμα (lēmma) a concern G:N-N

λῆμμα, ατος, τό,

(λαμβάνω) anything received, opposed to δόμα, [Refs 3rd c.BC+]; λ. καὶ ἀνάλωμα receipt and expense, [Refs 5th c.BC+]; ἀνενεγκεῖν (ἐν- Papyrus) ἐν λήμματι place to credit, [Refs 5th c.BC+], etc.: generally, gain, profit, [Refs 4th c.BC+]; especially of unjust gain, [Refs 4th c.BC+]; παντὸς ἥττων λήμματος unable to resist any temptation of gain, [Refs 5th c.BC+]

__II in Logic, statement taken as true, assumption; especially premiss in a syllogism, ἐπὶ λ. τῷ τοιούτῳ [Refs 4th c.BC+]; λήμματα τιθέναι[Refs 5th c.BC+]; properly the major premiss (the minor being πρόσληψις), [Refs]; later, ἀποδεικτικὰ λήμματα παρασχεῖν offer scientific proofs, [Refs 2nd c.AD+]
__III matter, substance, or argument of a sentence, etc., opposed to form or style (λέξις), [Refs 1st c.BC+]: hence, title or argument of an epigram, Latin lemma, [Refs 1st c.AD+]; theme or thesis, [Refs 1st c.AD+]; nutricis lemmata, 'baby songs', [Refs 4th c.AD+]
__IV in LXX, burden laid on one, commission received, especially of prophecy, [λῆμμα ἰδεῖν LXX.Hab.1.1, cf. LXX.Lam.2.14. ">LXX]

LSJ Scripture Refs: LXX.Nah.1.1LXX.Jer.23.33LXX.Hab.1.1LXX.Lam.2.14