Tier
来自Big Physics
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late 15th century: from French tire ‘sequence, order’, from tirer ‘elongate, draw’.
wiktionary
tie + -er
From Middle French tier, from Old French tire(“rank, sequence, order, kind”), probably from tirer(“to draw, draw out”). Alternatively, from a Germanic source related to Middle English tir(“honour, glory, power, rule”), Old English tīr(“glory, honour, fame”), German Zier(“adornment, ornament, decoration”).
etymonline
tier (n.)
"row, rank, range," mid-15c., from Old French tire (13c.) "rank, sequence, order, kind," also "likeness, image; state, condition," probably from tirer "to draw, draw out" (see tirade).
