τελματώδης
From LSJ
ἢ δεῖ σιωπᾶν ἢ λέγειν τὰ καίρια → you should either keep silence or make timely remarks (Menander)
English (LSJ)
ες,
A marshy, swampy, muddy, λίμνη Arist.HA570a8; πεδίον D.S.1.30; ὕδωρ Plu.Mar.38; χωρία Gal.6.702. II τελματώδεα parts of the body full of humours, Hp.Gland.4.