Where does “matgrass” come from?

matgrass (English) comes from English Mat, from English matinée, from French matinée, from Middle French matinee, from Old French matinee, from Old French matin, from Latin mātūtīnus, from Latin -īnus — adjectival suffix.

matgrass (English): The grass "Nardus stricta"; matweed; Spinifex...

Definitions

  1. The grass "Nardus stricta"; matweed; Spinifex...

Ancestry of “matgrass”, step by step

matgrass traces back through two separate lines of ancestry.

via English Mat

StepLanguageWordMeaning
1EnglishMata Malay man
2EnglishmatinéeAlternative spelling of matinee
3Frenchmatinéemorning
4Middle Frenchmatineemorning
5Old Frenchmatineemorning
6Old Frenchmatinmorning
7Latinmātūtīnusmorning
8Latin-īnusof or pertaining to; -ine
9Proto-Italic-īnosof/belonging to
10Proto-Indo-European-iHnosCreates adjectives of materials
11Proto-Indo-European-no-adjectival suffix

via English grass

StepLanguageWordMeaning
1EnglishgrassAny plant of the family Poaceae, characterized by...
2Middle EnglishgrasA grass; Any plant; especially a herbaceous one;...
3Old Englishgræsgrass
4Proto-West Germanicgrasgrass
5Proto-Germanicgrasągrass
6Proto-Indo-Europeanǵʰreh₁-to become green, grow; to grow; to green, to grow
Every word from Proto-Indo-European -no-