πιεστήριος
From LSJ
ἅπαντι δαίμων ἀνδρὶ συμπαρίσταται εὐθὺς γενομένῳ μυσταγωγὸς τοῦ βίου → a spirit assists every man from birth to be the leader of his life
English (LSJ)
later πῐαστήριος, ον,
A pressing, squeezing, πιαστήρια ὄργανα Heliod. ap. Orib.49.4.68. II πιεστήριον, τό, press, Dsc.4.75; Dor. πιαστήριον Gloss.