Where does “sternfast” come from?

sternfast (English) comes from English Stern, from English tern, from Middle English terne, from Old French terne, from Latin ternas, from Latin terni, from Latin ter, from Latin terr.

sternfast (English): A rope or chain for making fast a ship's stern to a wharf, etc

Definitions

  1. A rope or chain for making fast a ship's stern to a wharf, etc

Ancestry of “sternfast”, step by step

sternfast traces back through two separate lines of ancestry.

via English Stern

StepLanguageWordMeaning
1EnglishSternHaving a hardness and severity of nature or manner
2EnglishternAny of various sea birds of the family Sternidae...
3Middle Englishterne
4Old Frenchternedull, dim
5Latinternasaccusative feminine plural of terni
6Latinternithree each; three at a time
7Latinterthrice
8Latinterr
9Old Latintris
10Proto-Italictrēsthree
11Proto-Indo-European*tréyes

via English fast

StepLanguageWordMeaning
1EnglishfastFirmly or securely fixed in place; stable; Firm...
2Middle Englishfastfast quickly
3Old Englishfæstefirmly, fastly, tightly
4Old English-eforming adverbs from adjectives; -ly
5Old English-enmæġþ + API → mæġden; cocc + API → cycen, cicen;...
6Old Norse-innUsed to create adjectives from nouns, meaning...
7Proto-Norse-īna-
8Proto-Germanic-īnaz-en
9Proto-Indo-European-iHnosCreates adjectives of materials
10Proto-Indo-European-no-adjectival suffix
Every word from Proto-Indo-European *tréyes