θηλυπτερίς
From LSJ
ἄνω ποταμῶν ἱερῶν χωροῦσι παγαί → the springs of sacred rivers flow upward, backward to their sources flow the streams of holy rivers
English (LSJ)
ίδος, ἡ,
A bracken, Pteris aquilina, Thphr.HP9.18.8, Dsc.4.185, Plin.HN27.78:—also θηλυ-πτέριον, τό, Alex.Trall.Verm.p.597 P.
German (Pape)
[Seite 1207] ἡ, die weibliche πτερίς, Theophr.