languages, such as <span class="searchmatch">Proto</span>-Germanic *lungô (“lung”) being from <span class="searchmatch">Proto</span>-Indo-European *h₁lengʷʰ- (“nimble, light”). *<span class="searchmatch">skamos</span> light (not heavy) <span class="searchmatch">Proto</span>-Brythonic: *skaβ̃...