Quenya
undalasar
noun. stalactite, (lit.) down-growing stone
Elements
Word Gloss undu “down, under, down, under, [ᴹQ.] beneath” ala- “to plant, grow, to grow (of plants) [intr. and trans.], plant; *to thrive, flourish (of other creatures)” sar “stone (small)”
A neologism for “stalactite” coined by Luinyelle in a 2022 Discord discussion of words for stones, a combination of undu “down”, ala- “grow”, and sar (sarn-) “stone”.