κάστωρ
From LSJ
ἄνευ γὰρ φίλων οὐδεὶς ἕλοιτ᾽ ἂν ζῆν, ἔχων τὰ λοιπὰ ἀγαθὰ πάντα → without friends no one would choose to live, though he had all other goods
English (LSJ)
ορος, ὁ,
A beaver, Castor fiber, Hdt.4.109, Arist.HA594b31, Hierocl.p.17 A., Ael.NA6.34. II = καστόρειον, Hp.Mul.2.157, Aret.CA2.10. III = κρόκος, Ps.-Dsc.1.26.