"one who guards," early 14c., garden; early 15c., gardein, from Anglo-French gardein (late 13c.), Old French gardien "keeper, custodian," earlier guarden, from Frankish *warding-, from the Germanic source of guard (v.). Specific legal sense is from 1510s. Guardian angel is from 1630s.
word-forming element meaning "quality, condition; act, power, skill; office, position; relation between," Middle English -schipe, from Old English -sciepe, Anglian -scip "state, condition of being," from Proto-Germanic *-skepi- (cognates: Old Norse -skapr, Danish -skab, Old Frisian -skip, Dutch -schap, German -schaft), from *skap- "to create, ordain, appoint," from PIE root *(s)kep-, forming words meaning "to cut, scrape, hack" (see shape (v.)). It often forms abstracts to go with corresponding concretes (friend/friendship, etc.).
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Definitions of guardianship
attention and management implying responsibility for safety;