de seu

Attested since 1370: de (“of”) and seu (“his/her/its”).

• IPA^(key): [deˈsew]

de seu

1. on one's own; by oneself
   • 1370, R. Lorenzo, editor, Crónica troiana. Introducción e texto, A Coruña: Fundación Barrié, page 735:

     Et sabede que nõ ouuerõ mester ayos, ca todo(s) aprendíã moy bẽ de seu, quanto lles cõvĩjna.

     And you must know that they didn't need tutors, because all they learned very well by themselves, everything that suited them

   • 1876, O Tío Marcos, I, 11:

     Din alí que o conto é darlle comenzo a unha cousa, que dempois camiña de seu;

     They say that the gist is beginning something, because later it will go by itself;

2. having whole ownership

   O mozo xa ten coche de seu ― The young man already owns a car (by himself, alone)

• “de seu” in Dicionario de Dicionarios da lingua galega, SLI - ILGA 2006–2013.
• “de seu” in Tesouro informatizado da lingua galega. Santiago: ILG.
• “de seu” in Álvarez, Rosario (coord.): Tesouro do léxico patrimonial galego e portugués, Santiago de Compostela: Instituto da Lingua Galega.