πιλητός
From LSJ
τραχὺς ἐντεῦθεν μελάμπυγός τε τοῖς ἐχθροῖς ἅπασιν → he is a tough black-arse towards his enemies, he is a veritable Heracles towards his enemies
English (LSJ)
ή, όν,
A made of felt, κτήματα Pl.Ti.74b, Gal.UP6.4; στολαί Agatharch.20; φοινικίδες D.S.17.115; θώρακες Anon. ap. Suid. s.v. πίλοις. II generally, compressible, Arist.Mete.385a17, 387a15.