Where does “self-supply” come from?

self-supply (English) comes from English supply, from English supple, from Middle English souple, from Old French souple, from Latin supplex, from Latin supplicō, from Latin sub-, from Proto-Indo-European upó.

self-supply (English): To provide water, electricity, etc. to one's own premises on a retail basis by obtaining a special license from the utility provider

Definitions

  1. To provide water, electricity, etc. to one's own premises on a retail basis by obtaining a special license from the utility provider

Ancestry of “self-supply”, step by step

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

via English supply

StepLanguageWordMeaning
1EnglishsupplyTo provide (something), to make (something) available for use
2Englishsupplepliant, flexible, easy to bend; lithe and agile...
3Middle Englishsoupleflexible; supple
4Old Frenchsouplesupple
5Latinsupplexkneeling; begging; suppliant
6Latinsupplicōto pray or supplicate
7Latinsub-under, sub
8Proto-Indo-Europeanupóunder, below
9Proto-Indo-Europeanh₃ewp-

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 Proto-Indo-European h₃ewp-