γενεθλιολογία
From LSJ
ἔκστασίς τίς ἐστιν ἐν τῇ γενέσει τὸ παρὰ φύσιν τοῦ κατὰ φύσιν → what is contrary to nature is any developmental aberration from what is in accord with nature (Aristotle, On the Heavens 286a19)
Greek (Liddell-Scott)
γενεθλιολογία: γενεθλιο-λόγος, = γενεθλιαλ-.
German (Pape)
= γενεθλιαλογία, Hesych.