"a plane curve with a characteristic 'figure-eight' shape consisting of two loops that meet at a central point," 1811, from Late Latin lemniscus "a pendent ribbon," from Greek lēmniskos "woolen ribbon, woolen tape," perhaps originally or literally "of Lemnos," the island in the Aegean, but if so the reason is obscure. Related: Lemniscate (adj.), 1781.
1590s, "to meet and dispose of, clear (something) out of the way," from Late Latin obviatus, past participle of obviare "act contrary to, go against," from Latin obvius "that is in the way, that moves against," from obviam (adv.) "in the way," from ob "in front of, against" (see ob-) + viam, accusative of via "way" (see via). Related: Obviated; obviating.
1560s, transitive, "to satisfy" (implied in satisficed), altered from satisfy by influence of its Latin root satisfacere. A Northern English colloquial word; the modern use in the sense of "do just enough to meet" (requirements, etc.) is by c. 1956 and might be an independent formation. Related: Satisficing.
"united, connected, associated," late 14c., from Old French conjoint, past participle of conjoindre "to meet, come together" (12c.), from Latin coniungere "to join together," from assimilated form of com "with, together" (see con-) + iungere "to join together" (from nasalized form of PIE root *yeug- "to join." Related: Conjointly (early 14c.).
late 14c., "a place where cardinals meet to elect a pope," also "the assembly of cardinals to elect a pope," from Italian conclave, from Latin conclave "a private room, chamber suite," probably originally "a room which may be locked," from assimilated form of com "with, together" (see con-) + clavis "a key" (from PIE root *klau- "hook"). Extended sense of "any private assembly" is by 1560s.
late 14c., "to join together, unite; form a union or league," from Old French conjoindre "meet, come together" (12c.), from Latin coniungere "to join together," from assimilated form of com "with, together" (see con-) + iungere "to join together" (from nasalized form of PIE root *yeug- "to join"). Related: Conjoined, conjoining. Conjoined in reference to "Siamese twins" is recorded from 1749.