Usage: 4 forms in 6 verses
Form Translated As     In Verse(s)
τιθηνόσ a wet-nurse LXX.Num.11.12
his wet-nurse LXX.2Sam.4.4
τιθηνόν a wet-nurse LXX.Ruth.4.16
τιθηνούσ wet-nurses LXX.2Kgs.10.1
τιθηνοί wet-nurses LXX.2Kgs.10.5
your wet-nurses LXX.Isa.49.23

Liddell-Scott-Jones

τιθηνός (tithēnos) a wet-nurse G:N-M

τιθηνός, όν,

(θῆσθαι) nursing, χθών [Refs 3rd c.BC+]; πόνων τιθηνοὺς ἀποδιδοῦσά σοι τροφάς repaying thee nurture for thy nursing labours, i.e. rewarding thee for thy trouble in nursing me, [Refs 5th c.BC+]

__II substantive τιθηνός, , one who nurses or brings up, foster-father, [LXX+2nd c.BC+] ={τιθήνη}, [Refs 1st c.AD+]
__II.2 nursling, παῖδα τιθηνόν [Refs]