underlaying

verb
  1. 1

    To lay (something) underneath something else; to put under.

  2. 2

    To provide a support for something; to raise or support by something laid under.

    โ€œto underlay a cut, plate, or the like, for printingโ€

  3. 3

    To put a tap on (a shoe).

  4. 4

    (of a vein, fault, or lode) To incline from the vertical.

    syn:hade

Synonyms

Source: https://en.wiktionary.org/wiki/underlay, https://en.wiktionary.org/wiki/underlaying