Where does “longphort” come from?

longphort (Old Irish) comes from Old Irish long, from Latin longa, from Latin longus, from Latin -ē, from Latin dis-, from Latin calceus, from Latin calx, from Ancient Greek χάλιξ — small stone, pebble; gravel, rubble.

Ancestry of “longphort”, step by step

longphort traces back through two separate lines of ancestry.

via Old Irish long

StepLanguageWordMeaning
1Old Irishlongboat; ship
2Latinlongainflection of longus: ## nominative/vocative...
3Latinlongusfar, long; extended, prolonged; long; tedious,...
4Latinly; used to form adverbs from adjectives
5Latindis-asunder, apart, in two; reversal, removal;...
6Latincalceusshoe
7Latincalxlimestone; chalk; the finish line
8Ancient Greekχάλιξsmall stone, pebble; gravel, rubble

via Old Irish port

StepLanguageWordMeaning
1Old Irishportplace; shore
2LatinPortus” or, later, “Portus Rōmae”}} Portus large artificial harbour of Ancient Rome
3Proto-Italicportusharbour
4Proto-Indo-Europeanpértuscrossing
5Proto-Indo-Europeanper-before, in front; first; to go through
6Proto-Indo-Europeanpr̥tóspassed , crossed

Words derived from “longphort

Every word from Ancient Greek χάλιξEvery word from Latin dis-Every word from Latin