ὑποκάρδιος
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)
ον,
A in the heart, ἕλκος, ὀργά, Theoc.11.15, 20.17.
German (Pape)
[Seite 1219] unter dem Herzen, am, im Herzen, ἕλκος, ὀργή, Theocr. 11, 15. 20, 17.