Datapoint Welsh English/As what / than what in comparative clauses

Variety: Welsh English
Feature: As what / than what in comparative clauses
Value: B - feature is neither pervasive nor extremely rare
Informants: Robert Penhallurick

Examples

Example 1116:
She's exposed (...) to these foreign foods at a much earlier age than what I ever was.

Source: BBC and Library 1998-1999: Swansea