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muelle (Adjective) "soft"
13th cent. From Latin mollis 'id.' From Proto-Italic *moldu-i- 'id.' An adjective formed from an earlier adjective in Proto-Indo-European *ml̥d-u̯- 'id.' via analogy. From *mel- "to soften," "to weaken."
Indo-European
Romance
Portuguese mole, Galician mol, Catalan moll, French mou, Italian molle, Aromanian moali, Romanian moale, Sardinian modde
Celtic
Old Irish mell "pleasant," Middle Welsh blydd "soft"
Balto-Slavic
Old Church Slavonic mladъ "young," Russian molodój 'id.,' Czech mladý 'id.,' Polish mɫody 'id.,' Slovene mlȃd, Old Prussian maldai "boy"
Indo-Iranian
Sanskrit mr̥du- "soft"