Where does “multigrid” come from?

multigrid (English) comes from English grid, from English griddle, from Middle English gridil, from Anglo-Norman gredil, from Old French greïl, from Old French graïlle, from Occitan gralha, from Vulgar Latin gracla.

multigrid (English): A class of techniques for solving algebraic or...

Definitions

  1. A class of techniques for solving algebraic or...

Ancestry of “multigrid”, step by step

multigrid traces back through two separate lines of ancestry.

via English grid

StepLanguageWordMeaning
1EnglishgridA rectangular array of squares or rectangles of...
2EnglishgriddleA stone or metal flat plate or surface on which...
3Middle EnglishgridilAn iron grate or grid
4Anglo-NormangredilAlternative form of greil
5Old Frenchgreïlgrill (usually metal mesh suitable for being exposed to fire)
6Old Frenchgraïllegrate, grating
7Occitangralhacrow
8Vulgar Latingracla
9Latingrācula(female) jackdaw (Coloeus monedula)
10Latin-asuffixed to the roots of verbs, forms agent...
11Proto-ItalicForms masculine agent nouns from prefixed or compounded bases
12Proto-Indo-European-éh₂

via English multi

StepLanguageWordMeaning
1EnglishmultiA multituberculate; Neolamprologus multifasciatus
2EnglishmultituberculateHaving molars with multiple rows of cusps; Any of...
3EnglishtuberculateHaving tubercles; Tubercular
4Latintuberculatuswarty, tuberculate
5Latintūberculuma small swelling, bump, or protuberance; a boil, pimple, tubercle
6Latintūbera hump, bump, swelling, protuberance; excrescence
7Proto-Italictūβos
8Proto-Indo-Europeantewh₂-to swell; to crowd; to be strong
Every word from Proto-Indo-European -éh₂