intrĕpĭdans

antis, adj.

2. in-trepido

I. not shaking, firm, strong, powerful (post-class.), Inscr. ap. Paulovich. Marm. Macarens. p. 61.— Adv.: intrĕpĭdan-ter, without trembling, intrepidly: ascendere, Non. 530, 5.
Lewis & Short
A Latin Dictionary, 1879
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