tufaWiktionary 原文演变路径（由近及远）英语借自 ←意大利语 tufo源自 ←拉丁语 tōfus词源说明From Italian tufo, from Latin tōfus or tōphus. Doublet of tuff.释义（英文）名词 NounCalcareous lime deposited by precipitation from a body of water, such as a hot spring.(geology) A variety of volcanic rock, tuff.词族派生词（4）hypertufatufaceoustufalikecalc-tufa同源异形词（1）tuff