Where does “daddy longlegs” come from?

daddy longlegs (English) comes from English daddy, from English -y, from Middle English -y, from Old English -iġ, from Proto-West Germanic -g, from Proto-Germanic -gaz, from Proto-Indo-European -ḱos — -y, -ic.

daddy longlegs (English): The cranefly; any insect of the suborder...

Definitions

  1. The cranefly; any insect of the suborder...

Ancestry of “daddy longlegs”, step by step

daddy longlegs traces back through two separate lines of ancestry.

via English daddy

StepLanguageWordMeaning
1EnglishdaddyFather; A male lover; An informal term of address...
2English-yAdded to nouns and adjectives to form adjectives...
3Middle English-yDesignates an adjective, in many cases formed by...
4Old English-iġ-y, -ic
5Proto-West Germanic-gForms adjectives from nouns and verbs with a...
6Proto-Germanic-gaz-y
7Proto-Indo-European-ḱos-y, -ic

via English longlegs

StepLanguageWordMeaning
1EnglishlonglegsA daddy longlegs
Every word from Proto-Indo-European -ḱosEvery word from English -yEvery word from Old English -iġ