The answer is concealed within the Dutch phrase: Ἔρως (Eros), the Greek god of love.
While “Geliefde” translates to “lover” or “beloved,” it hints at the answer by revealing the nature of the relationship between Psyche and the hidden four-letter word.
Delving into Greek mythology, Psyche is known for her captivating beauty that enamored Eros. Their love story, fraught with challenges and tests, is a timeless tale.