Where does “self-rescuer” come from?

self-rescuer (English) comes from English rescuer, from English rescue, from Middle English rescouen, from Old French rescoure, from Latin excutere, from Latin ex, from Latin commūnicō, from Latin commūnis — whale, sea monster; abyss.

self-rescuer (English): A self-contained device to generate oxygen for...

Definitions

  1. A self-contained device to generate oxygen for...

Ancestry of “self-rescuer”, step by step

self-rescuer traces back through two separate lines of ancestry.

via English rescuer

StepLanguageWordMeaning
1EnglishrescuerA person who rescues someone or something
2EnglishrescueTo save from any violence, danger or evil; To...
3Middle Englishrescouen—
4Old Frenchrescoure—
5Latinexcuterepresent active infinitive of excutiō;...
6LatinexA name of the letter "X"; out of, from
7Latincommūnicōto impart, share
8Latincommūniscommon, commonplace, ordinary, general, universal, shared, shared alike, of both sides, belonging to two or more together
9Old Latincom(m)oinis—
10Proto-Italickommoiniscommon
11Proto-Indo-Europeanḱom-moy-ni-held in common
12Proto-Indo-Europeanḱómbeside, near, by, with
13Proto-Indo-EuropeanḱeDeictic particle, here; Post-positional...
14Middle Englishkyt—
15Russianкитwhale; genitive plural of ки́та
16Old Church Slavonicкитъwhale
17Ancient Greekκῆτοςwhale, sea monster; abyss

via English Self

StepLanguageWordMeaning
1EnglishSelfHimself, herself, itself, themself, themselves; that specific (person mentioned)
2Middle EnglishsalveAlternative form of sauf
3Old Englishsealfsalve
4Proto-West Germanicsalbusalve, ointment
5Proto-Germanicsalbōsalve, ointment
6Proto-Indo-Europeansolp-éh₂—
7Proto-Indo-Europeanselp-fat, oil
Every word from Ancient Greek κῆτος →Every word from Old Church Slavonic китъ →Every word from Russian кит →