on

Part of speech: adverb, preposition
(Dat, Instr, Acc) 1. on, with, in; 2. in a temporal sense: on, at, in; within, during; on morȝenne in the morning; 3. by, with; with regard / respect to, in relation to
Etymology
[Mod E ONProt-Germ *ana-; Goth ana; O Fris on, ā, ana; O Sax an; Dt aan; OHG an, ana (Mod G an); Icel á ← Indo-Europ *ana-, *anu-; Avest ana “on, above”; O Pers anā “on, above”; Anc Gr ἀνά, ἀν “above, over, on”; O Prus no, na “on, upwards; to, towards”; Lith nuō “from”; Latv nùo “from”; O Slav на (Russ на “on”)]