Where does “lengthsome” come from?

lengthsome (English) comes from English length, from Middle English lengthe, from Old English lengþu, from Proto-Germanic langiþō, from Proto-Germanic langaz, from Proto-Indo-European dlongʰos — long.

lengthsome (English): Of significant length; long; lengthy

Definitions

  1. Of significant length; long; lengthy

Ancestry of “lengthsome”, step by step

lengthsome traces back through two separate lines of ancestry.

via English length

StepLanguageWordMeaning
1EnglishlengthThe distance measured along the longest dimension...
2Middle Englishlengthelength
3Old Englishlengþulength
4Proto-Germaniclangiþōlongness, length
5Proto-Germaniclangazlong
6Proto-Indo-Europeandlongʰoslong

via English some

StepLanguageWordMeaning
1EnglishsomeA certain number, at least two; An indefinite...
2Middle Englishsomsome
3Old Englishsumsome
4Proto-West Germanic*sumsome
5Proto-Germanicsumazsome (one), a certain (one)
6Proto-Indo-Europeansem-together, one
Every word from Proto-Indo-European dlongʰos →Every word from Proto-Germanic langaz →Every word from Proto-Germanic langiþō →