impenetrabilis, e. adj.
不可透達者。— armis (dat.) 不得傷者。Pudicitia impenetrabilis 堅貞之婦。
Joaquim Affonso Gonçalves, Lexicon Magnum Latino-Sinicum, 3rd edition (Peking: Typis Congregationis Missionis, 1936 [1st ed. Macau, 1841]). Digitized at Dickinson College, 2023.