The only free and comprehensive online etymological dictionary of the Spanish language
humo m. (Noun) "smoke"
11th cent. From Latin fumus 'id.' From Proto-Italic *fūmo- 'id.' From Proto-Indo-European *dhu̯h2-mó- 'id.' From a root *dhu̯eh2- "to smoke" (whence heder) and the noun-forming suffix *-mó- (see -mo).
Indo-European
Romance
Asturian fumu, Portuguese fumo, Galician fume, Catalan fum, French fumée, Italian fumo, Aromanian fum, Romanian fum, Sardinian fummu
Germanic
Old High German toum "steam"
Balto-Slavic
Old Church Slavonic dymъ "smoke," Old Prussian dumis 'id.,' Lithuanian dū́mai 'id.'
humor m. (Noun) "humor"
13th cent. Originally referring to bodily humors. Borrowed from Medieval Latin umor 'id.' and the h- added through hypercorrection. From Latin umor "liquid." From Proto-Italic *ūmo- "wet." From Proto-Indo-European *u̯h1-mo- "wet." A putative root *u̯eh1- "to be wet" is extremely uncertain.
Indo-European
Italic
Latin uvidus "soaked"
Celtic
Middle Irish fúal "urine"
Germanic
Old Norse vǫkr "moist," Middle Dutch wac 'id.'
Hellenic
Ancient Greek ὑγρός (ygrós) "wet"
humus (1) m. (Noun) "humus" A collection of decomposing organic compounds.
Borrowed from Latin humus "earth," "soil." From Proto-Italic *χomo- 'id.' From Proto-Indo-European *dhǵ-ōm 'id.,' with a stem *dheǵ- of uncertain meaning.
Indo-European
Romance
French humus
Italic
Oscan húnttram "who is below" (< *ǵhom-tero-, the second element being the comparative suffix *-tero- added (see -tr-)), Umbrian hutra "the one underneath" (< *ǵhom-tero-),
Celtic
Old Irish "place" Balto-Slavic Old Church Slavonic zemlja "earth," Russian zemljá 'id.,' Czech země 'id.,' Bulgarian zemjá, Old Prussian semmē 'id.,' Lithuanian žẽmė 'id.,' Latvian zeme 'id.'
Albanian
Albanian dhe "earth"
Hellenic
Ancient Greek χθών (khthón) "earth"
Indo-Iranian
Sanskrit kṣā́ḥ "earth," Avestan zā̊ 'id.'
Tocharian
A tkaṃ "earth," B keṃ 'id.'
humus (2) m. (Noun) "hummus"
Borrowed from Turkish humus 'id.,' which in turn was borrowed from Arabic ḥummuṣ "hummus," but more accurately "chickpeas," the main ingredient in hummus.
hundir (Verb) "to sink"
13th cent. From Latin fundere "to pour." The evolution from "pouring" into "sinking" comes from naval war; the word was used as a term for sinking enemy seacraft. From Proto-Italic *χund-e/o- 'id.' From Proto-Indo-European *ǵhu-n-d- 'id.,' a d-present re-interpreted as a nasal present, but the change from *ǵh- to *χ- in Proto-Italic is unexpected.
Indo-European
Romance
Asturian fundir, Galician fundir
Italic
Umbrian hondu "throw down," Faliscan huti[c]ilom (?) "vasette?"
Germanic
Gothic giutan "to pour," Old English gheotan 'id.' (English gush)
Hellenic
Ancient Greek χέω (khéo) "I pour
Armenian
Armenian jew "mould"
Indo-Iranian
Sanskrit juhóti "pours," Avestan ā-zūiti- "butter," "sacrificial fat"
Tocharian
B ku- "to pour"