late form for ἔστω, 3sg. imper. of εἰμί (
A sum), IG3.3509, BGU 419.13 (iii A.D.), etc.
ἤτω: ἀντὶ ἔστω, γ΄ ἐνικ. προστ. τοῦ εἰμί, Κ. Δ.
third person singular imperative of εἰμί; let him (or it) be: let … be.