'Orphan' shares its PIEroot with the word 'robot' — both from *h3orbh- (to be deprived, separated).
Definition
A child whose parents are dead; more loosely, a child who has lost one parent.
The Full Story
Greek15th centurywell-attested
From LateLatin 'orphanus,' from Greek 'orphanós' (ὀρφανός, 'bereaved, without parents'), from PIE *h₃orbʰ- ('bereft, deprived, separated'). ThePIErootcarries a sense of fundamental loss—not just parentless but severed from belonging. It produced Latin 'orbus' (bereft, childless), Armenian 'orb' (orphan), and Old Irish 'orbe' (heir—semantically inverted
Christian texts about charity toward the fatherless, and from there into Old English via church Latin. The word displaced native Old English 'stēopcild' (stepchild, used broadly for parentless children). The metaphorical sense—orphan lines in typography, orphan processes in computing—all derive from the 'separated, abandoned' core. Key roots: *h₃orbʰ- (Proto-Indo-European: "to be deprived, separated, to change allegiance").