ἀρήτειρα
From LSJ
Αἰτεῖτε καὶ δοθήσεται ὑμῖν, ζητεῖτε καὶ εὑρήσετε, κρούετε καὶ ἀνοιγήσεται ὑμῖν → Ask, and it shall be given you; seek, and ye shall find; knock, and it shall be opened unto you (Matthew 7:7)
English (LSJ)
[ᾱρ], ἡ, fem of ἀρητήρ, Call. Cer.43, Musae.68, A.R.1.312, etc.