πωγωνοτρόφος
From LSJ
Κύριε, βοήθησον τὸν δοῦλον σου Νῖλον κτλ. → Lord, help your slave Nilos ... (mosaic inscription from 4th-cent. church in the Negev)
German (Pape)
[Seite 826] den Bart nährend od. wachsen lassend, Κυνικός, Luc. ep. 9 (XI, 410, richtiger πωγωνοφόρος).