Where does “matweed” come from?

matweed (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.

matweed (English): Any of several maritime grasses; Amaranthus...

Definitions

  1. Any of several maritime grasses; Amaranthus...

Ancestry of “matweed”, step by step

matweed 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 weed

StepLanguageWordMeaning
1EnglishweedAny plant regarded as unwanted at the place...
2Middle Englishweed—
3Old Englishwēodweed
4Proto-West Germanic*weudweed (unwanted plant)
Every word from Proto-Indo-European -no- →Every word from Latin -īnus →Every word from Latin mātūtīnus →