Where does “aqualung” come from?

aqualung (English) comes from English lung, from Middle English lunge, from Old English lungen, from Proto-Germanic lunganjō, from Proto-Germanic lungô, from Proto-Indo-European lengʷʰ- — light, agile, nimble; light, not heavy, agile,...

aqualung (English): A piece of equipment consisting of an oxygen tank and breathing apparatus used by divers to allow them to breathe underwater

Definitions

  1. A piece of equipment consisting of an oxygen tank and breathing apparatus used by divers to allow them to breathe underwater

Ancestry of “aqualung”, step by step

aqualung traces back through two separate lines of ancestry.

via English lung

StepLanguageWordMeaning
1EnglishlungA biological organ of vertebrates that controls...
2Middle Englishlunge
3Old Englishlungenlung
4Proto-Germaniclunganjōlung
5Proto-Germaniclungôlung
6Proto-Indo-Europeanlengʷʰ-light, agile, nimble; light, not heavy, agile,...

via English aqua

StepLanguageWordMeaning
1EnglishaquaThe compound water; A shade of colour, usually a...
2Middle Englishaquawater
3Latinaquawater
4Proto-Italicakʷāwater
5Proto-Indo-Europeanh₂ekʷeh₂water, flowing water

Words derived from “aqualung

Every word from Proto-Indo-European lengʷʰ-
aqualung — Etymology, Origin & Word History | Etymology Explorer