Modern Portuguese - Kindai Porto Gargo

…The language was clearly divided into Galician north of the Minho River and Portuguese south of the Minho River, with the new linguistic center in the area from Coimbra to Lisbon, around the middle of the 14th century. The history of Portuguese since the appearance of written documents is divided into Medieval (or Old) Portuguese (early 13th century to mid-16th century), the first half of which includes the Galician-Portuguese period, and Modern Portuguese (mid-16th century to present). The basic phonological and grammatical organization of Modern Portuguese can be seen as having been established already in the late Medieval Portuguese, but for example, the distinction between s [ś] and ç [ts] (later [s]) and between vowels s [ź] and z [dz] (later [z]), which were maintained in Medieval Portuguese, have both been lost in Modern Portuguese, and have been integrated into [s] and [z], respectively. …

*Some of the terminology that refers to "Modern Portuguese" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…この言語が，ミーニョ川以北のガリシア語と，コインブラからリスボンにかけての地域を新たな言語的中心地とする，ミーニョ川以南のポルトガル語とにはっきり分化するのは，14世紀半ばころのことである。文献登場以降のポルトガル語の歴史は，ガリシア･ポルトガル語期をその前半に含む中世(または古期)ポルトガル語(13世紀初め～16世紀半ば)と，近代ポルトガル語(16世紀半ば～現代)とに二分される。現代ポルトガル語の音韻･文法組織の基本は，中世ポルトガル語後期には既に確立したと見ることができるが，例えば中世ポルトガル語で維持されたs[ś]とç[ts](のち[s])，母音間のs[ź]とz[dz](のち[z])の区別は近代ポルトガル語では共に失われ，おのおの[s]，[z]に統合されている。…

※「近代ポルトガル語」について言及している用語解説の一部を掲載しています。

出典｜株式会社平凡社世界大百科事典 第２版について | 情報