Apropos of

prep

Definitions

Preposition
  1. 1
    Concerning; with regard to; about; apropos; in relation to.

    "Apropos''' of pruning the grape, it may be pointed out here that this can be done when the season's growth has lost its green appearance and assumed a brown or greyish color."

Etymology

Calque of French à propos de. See apropos

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