Where does “javelin dart” come from?

javelin dart (English) comes from English dart, from Middle English dart, from Old French dart, from Medieval Latin dardus, from Frankish darōþu, from Proto-Germanic darōþuz, from Proto-Germanic -ōþuz, from Proto-Germanic -þuz — Derives action nouns from verb roots.

Ancestry of “javelin dart”, step by step

javelin dart traces back through two separate lines of ancestry.

via English dart

StepLanguageWordMeaning
1EnglishdartA pointed missile weapon, intended to be thrown...
2Middle EnglishdartA hand-thrown spear or missile; a javelin;...
3Old Frenchdartspear, javelin
4Medieval Latindardusspear
5Frankishdarōþuthrowing spear, arrow; dart, spear; light spear,...
6Proto-Germanicdarōþuza light spear; javelin; dart
7Proto-Germanic-ōþuzForms nouns from weak class 2 verbs, possibly...
8Proto-Germanic-þuzForms result nouns from verb roots, usually from...
9Proto-Indo-European-tusDerives action nouns from verb roots

via English javelin

StepLanguageWordMeaning
1EnglishjavelinA light spear thrown with the hand and used as a...
2Old Frenchjavellinea type of long, thin, spear used as a weapon
3Old Frenchjavelotjavelin
4Vulgar Latingabalottusspear
5Gaulishgabalos
6Proto-Celticgabalosfork, forked branch
7Proto-Indo-Europeangʰabʰlosfork, branch of tree
Every word from Proto-Indo-European -tusEvery word from Proto-Germanic -þuzEvery word from Proto-Germanic -ōþuz
javelin dart — Etymology, Origin & Word History | Etymology Explorer