gruma

• gromma

Possibly from a Vulgar Latin gruma, from Latin grumus, or alternatively of Germanic origin.

• IPA^(key): /ˈɡru.ma/
• Rhymes: -uma
• Hyphenation: grù‧ma

gruma f (plural grume)

1. tartar, argol
2. fur, scale (in a kettle etc.)
3. incrustation

• grumo

From English groom?

gruma

1. to scrub