Saudade (noun) (Portuguese)
A deep emotional state of nostalgic or profound melancholic longing for an absent something or someone that one loves.
A Portuguese word today for Valentine’s Day, and what a lovely word it is.
“He experienced saudade, or a longing nostalgia, for the life he shared with her”
Chimaera (noun) (also Chimera)
(in Greek mythology) a fire-breathing female monster with a lion’s head, a goat’s body, and a serpent’s tail. (modern biology) An organism containing a mixture of genetically different tissues, formed by processes such as fusion of early embryos, grafting, or mutation.
Late Middle English: via Latin from Greek khimaira ‘she-goat or chimaera’.