grout 
(grout)
(grout)n.
1.
a. A thin mortar used to fill cracks and crevices in masonry.
b. A thin plaster for finishing walls and ceilings.
2. often grouts Chiefly British Sediment; lees.
tr.v. grout·ed, grout·ing, grouts
To fill or finish with a thin mortar or plaster.
[Middle English, grain used for making malt, mud, from Old English grūt, coarse meal.]
grouter n.
- Indo-European root: per-
- Indo-European root: perd-
- Indo-European root: perkwu-
- Indo-European root: perə-
- Indo-European root: perə-
- Indo-European root: pes-
- Indo-European root: pet-
- Indo-European root: petə-
- Indo-European root: peuk-
- Indo-European root: peuə-
- Indo-European root: pezd-
- Indo-European root: plat-
- Indo-European root: plek-
- Indo-European root: pleu-
- Indo-European root: plāk-
- Indo-European root: plāk-
- Indo-European root: pneu-
- Indo-European root: porko-
- Indo-European root: poti-
- Indo-European root: prek-
- Indo-European root: preus-
- Indo-European root: prī-
- Indo-European root: pā-
- Indo-European root: pāl-
- Indo-European root: pē(i)-