Where does “lockfast” come from?

lockfast (English) comes from English fast, from Middle English fast, from Old English fæste, from Old English -e, from Old English -en, from Old Norse -inn, from Proto-Norse -īna-, from Proto-Germanic -īnaz — adjectival suffix.

lockfast (English): Fastened or secured with a lock

Definitions

  1. Fastened or secured with a lock

Ancestry of “lockfast”, step by step

lockfast traces back through two separate lines of ancestry.

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

via English Lock

StepLanguageWordMeaning
1EnglishLockfrom the surname
2Middle Englishloklock
3Old Englishlācplay, sport, strife, battle, sacrifice, offering,...
4Proto-West Germaniclaikgame, sport
5Proto-Germaniclaikazdance; game, sport; hymn
6Proto-Indo-Europeanleyǵ-to bind, tie
Every word from Proto-Indo-European -no-