late 14c., realtif, in grammar, "a relative pronoun," from Old French relatif (13c.), from Late Latin relativus "having reference or relation," from Latin relatus, used as past participle of referre "bring back, bear back" (see refer), from re- "back, again" + lātus "borne, carried" (see oblate (n.)). The meaning "kinsman, kinswoman, person in the same family or connected by blood" is attested from 1650s.
early 15c., relatif, "having reference (to something), relating, depending upon," from Old French relatif and directly from Late Latin relativus "having reference or relation," from Latin relatus, used as past participle of referre "bring back, bear back" (see refer), from re- "back, again" + lātus "borne, carried" (see oblate (n.)).
Meaning "having mutual relationship, connected with each other" is from 1590s; that of "arising from or determined by relationship to something else" is from 1610s; that of "having or standing in a relation to something else" is from 1650s; that of "not absolute or existing by itself" is by 1704. In grammar, "referring to an antecedent," from 1520s.
late 12c., poverte, "destitution, want, need or insufficiency of money or goods," from Old French poverte, povrete "poverty, misery, wretched condition" (Modern French pauvreté), from Latin paupertatem (nominative paupertas) "poverty," from pauper "poor" (see poor (adj.)).
From early 13c. in reference to deliberate poverty as a Christian act. Figuratively from mid-14c., "dearth, scantiness;" of the spirit, "humility," from the Beatitudes.
Seeing so much poverty everywhere makes me think that God is not rich. He gives the appearance of it, but I suspect some financial difficulties. [Victor Hugo, "Les Misérables," 1862]
Poverty line "estimated minimum income for maintaining the necessities of life" is attested from 1891; poverty trap "situation in which any gain in income is offset by a loss of state benefits" is from 1966; poverty-stricken "reduced to a state of poverty" is by 1778.
Poverty is a strong word, stronger than being poor; want is still stronger, indicating that one has not even the necessaries of life ; indigence is often stronger than want, implying especially, also, the lack of those things to which one has been used and that befit one's station ; penury is poverty that is severe to abjectness ; destitution is the state of having absolutely nothing .... [Century Dictionary]
1834, "fact or condition of being relative, existence as an immediate object of the understanding or experience, existence only in relation to a thinking mind," (apparently coined by Coleridge, in "Notes on Waterland's Vindication of Christ's Divinity"), from relative (adj.) + -ity. In scientific use, connected to the theory of Albert Einstein (1879-1955) having to do with the dependence of observation on the relative motion of observer and object, published in 1905 (special theory of relativity) and 1915 (general theory of relativity), but the word was used in roughly this sense by J.C. Maxwell in 1876. An earlier noun in the sense of "state of being relative" was relativeness (1670s).