köken: From Middle Persian [Book Pahlavi needed] (mzg /mazg/, “brain, marrow”), from Proto-Iranian *mazgáh, from Proto-Indo-Iranian *mazgʰás, from Proto-Indo-European *mosgʰos. Cognate of Russian мозг (mozg), Serbo-Croatian мозак (mozak) and English marrow.
albedo (fraction of incident light or radiation reflected by a surface or body) · albedo (part of citrus fruit rind)
köken: Etymology tree Proto-Indo-European *albʰós Proto-Italic *alβos Latin alb(us) Proto-Indo-European *-Hōder. Latin -ēdō Latin albēdōlbor. Polish albedo Learned borrowing from Latin albēdō. First attested in 1908.
bone marrow · as the subjective location of the intense inner physical sensation of a heightened emotion, such as erotic passion
çekim: çoğul medullae · tamlayan medullae
köken: Uncertain. Traditionally compared to Latin medius (“middle”), or Proto-Indo-European *mosgʰos (“brain, marrow”). De Vaan mentions neither of these theories, and instead prefers a derivation from Proto-Indo-European *smer-u-lo-, from *smérus (“grease, marrow”), with the irregular change from *-r- > -d- resulting from hypercorrection similar to that of *-d- > -r- in merīdiēs (“midday”).