The pivotal year. Vasco da Gama’s voyage to India, facilitated by the burgeoning Portuguese maritime empire, irrevocably altered the linguistic landscape. The arrival of 'Indianisms' – words and phrases directly from Tamil, Telugu, and Kannada – began a slow, yet profound, infusion into the Portuguese lexicon. This wasn't a simple borrowing; it was a convergence, a meeting of vastly different linguistic traditions. The initial impact was felt most strongly in trade-related vocabulary, particularly concerning spices, textiles, and the intricacies of commerce. Consider the word ‘câmbio’ itself, derived from the Tamil ‘kamban,’ referring to exchange. This was just the beginning of a centuries-long process of mutual influence.