on

From Middle English on, from Old English on, an (“on, upon, onto, in, into”), from Proto-West Germanic *ana, from Proto-Germanic *ana (“on, at”), from Proto-Indo-European *h₂en- (“on, onto”).

Cognates

Cognate with Yola a, an, ana, on (“on”), Saterland Frisian an (“on; at”), West Frisian oan (“on; to, towards”), Cimbrian aan, å (“on, onto”), Dutch aan (“on; at”), Low German an (“on; at, to”), German an (“at, in; on”), Luxembourgish un (“on; at, to”), Yiddish אָן (on, “on, onward”), Danish, Norwegian Nynorsk, and Swedish å (“on”), Elfdalian ą̊ (“on”), Faroese and Icelandic á (“in; on”), Gothic 𐌰𐌽𐌰 (ana, “at, on”); also Umbrian 𐌀𐌌- (am-), 𐌀𐌍- (an-, “up, upon”), Ancient Greek ἀνά (aná, “on, upon”) (whence Greek ανά (aná, “by, through, per”)), Albanian në (“in; on”), Latvian no (“from; out of; for; of; with”), Lithuanian nuo (“from, off; for, of”), Belarusian, Bulgarian, Macedonian, Russian, and Ukrainian на (na, “on”), Czech, Polish, Slovak, and Slovene na (“on”), Serbo-Croatian на, na (“on”), Old Armenian ան- (an-, “at, on, unto”); and from Old Norse upp á: Danish, Norwegian Bokmål, and Swedish på (“on”), Norwegian Nynorsk paa, på (“on”), see upon.

From Old Norse ón, án (“without”), from Proto-Germanic *ēnu, *ēno, *ino (“without”), from Proto-Indo-European *ḗnu (“without”). Cognate with North Frisian on (“without”), Middle Dutch an, on (“without”), Middle Low German āne (“without”), German ohne (“without”), Gothic 𐌹𐌽𐌿 (inu, “without, except”).

Unlikely to be related to Ancient Greek ἄνευ (áneu, “without”), which is likely akin to Proto-Germanic *sundraz instead (whence sunder).

From Japanese 音読み (on'yomi, literally “sound reading”).