Meaning

adjective being of delicate or slender build; - Frank Norris

adjective very narrow

adjective having little width in proportion to the length or height

originFrom Middle English slendre, sclendre, from Old French esclendre (“thin, slender”), from Middle Dutch slinder (“thin, lank”), from Proto-Germanic *slindraz (“sliding, slippery”), from Proto-Indo-European *sleydʰ- (“to slip”). Cognate with Bavarian Schlenderling (“that which dangles”), German schlendern (“to saunter, stroll”), Dutch slidderen, slinderen (“to wriggle, creep like a serpent”), Low…

Etymology from Wiktionary, CC BY-SA 3.0