Proto-IE: *aker-
Meaning: maple
Old Indian: {akrá-ḥ RV. `Ahorn ' (Brunnhofer BB. 26, 108f.)}
Old Greek: ákasto-s m. = sphéndamnos ('maple') Hsch. {ákarna f. `laurel' Hsch. nowhere found!, there is akarnán 'a fish' (Ath.), prob. = lábraks, cf. akárnaks = lábraks Hsch.}
Latin: acer, gen. -eris n. (/ f.) `Ahorn'
Russ. meaning: дерево (клен)
References: WP I 28 f