κύματα θαρσαλέως ποντοπόρει βιότου → the waves of life make bold furrows, travel boldly over the waves of life
addĭtāmentum: i, n. addo,
I an addition, accession, increase: inimicorum, * Cic. Sest. 31, 68: vitae, Sen. Ep. 17, 6: praeter nomen nihil est additamenti, Pseud.Sall. ad Caes. de Rep. Ord. 2: pretii, App. M. 9, 6.