The word Mamihlapinatapei in the Yaghan language of Tiera del Fuego means "a look shared by two people with each wishing that the other will initiate something that they both desire but which neither one wants to start". It is possibly the most adorkable word in any human language.
Gender in some languages is living/ nonliving things. A rock might be alive if I gender it so. A river is obviously alive. Misgendering a person as dead isn't nice even when they're physically dead.
you know what, here's my second favorite word: Ubuntu comes from Xhosa, Zulu, and other south African languages, and it is, essentially, a collectivist refutation of Descartes. It has been translated as meaning "A person is a person through other people", or more succinctly, "I am because we are".