*tlapp: hangutánzó szó, mint csappan; dobban; tombol stb.

(forrás: ""contrivance for catching unawares," late Old English træppe, treppe "snare, trap," from Proto-Germanic *trep- (source also of Middle Dutch trappe "trap, snare"), related to Germanic words for "stair, step, tread" (Middle Dutch, Middle Low German trappe, treppe, German Treppe "step, stair," English tread (v.)), and probably literally "that on or into which one steps," from PIE *dreb-, extended form of root *der- (1), an assumed base of words meaning "to run, walk, step."; trample: "late 14c., "to walk heavily," frequentative form of tramp (v.) + -el (3). Transitive sense "beat down by continuously treading on" is from mid-15c. Related: Trampled; trampling.") /https://www.etymonline.com/