#ála don’t, only attested with a pronominal suffix -me us, in the phrase álame tulya don’t-us lead, that is, do not lead us (into temptation). See áme, ámen concerning the pronominal ending -me. The first element of #ála is the imperative particle á, q.v. The second element is the negation not, clearly identical to the stem la- no, not (LR:367). Another word for don’t, namely áva, appears in a later source. This word as well incorporates the imperative particle á, in this case combined with the negation vá, "an exclamation or particle expressing the will or wish of the speaker", to be interpreted I will not or Do not! depending on the context (WJ:371). LR:367 s.v. la- lists lá as the Quenya negation no, not, so #ála could be seen as á + lá just like áva is á + vá (in polysyllabic words, Quenya cannot normally have a long vowel in the final syllable, hence it is shortened: **álá > #ála and **ává > áva). As for the variation #ála in the Pater Noster vs. áva in Tolkien’s later essay Quendi and Eldar, this is explained by Bill Welden’s article Negation in Quenya (VT42:32-34): "Possibly soon after publication of The Lord of the Rings," Tolkien decided to drop the negative element al / la "not" (= the -la of ála). Among the new negations replacing it we find bâ as an element having to do with "negative command"; this is the source of -va in áva. For a while, #ála as a negative command don’t! was thus a conceptually obsolete form, but since Welden also notes that Tolkien eventually resurrected the negative element ala, Quenya lexicographers may treat #ála as a valid word and a synonym of áva.
ámedo [something to] us, ámen do [something] for us: the imperative particle á (q.v.) with pronominal endings, the following verb filling out the phrase and telling us what me(n) is the (in)direct object of. In #ála do not the negation #la has likewise been directly suffixed to á, and in álame the same pronominal ending as in áme occurs; see #ála above. – In this text, the accusative pronoun #me us (exclusive) and its dative variant #men only appear suffixed to this imperative particle and its negated form #ála do not. These pronouns were however attested previously, though in slightly different forms. The dual form of #me, namely met, appears in Namárië: this means *us (two), referring to Galadriel and Varda (another exclusive form, since Galadriel is not addressing Varda, but is singing about herself and Varda to Frodo, who obviously cannot be included in this "us"). The dative form #men (for) us was almost attested, so to speak, before. It has long been recognized that the word mel-lumna in LR:47, translated us-is-heavy (sc. *"is heavy for/to us"), includes an assimilated form of #men, the dative ending -n turning into l before another l (see for instance VT32:8 s.v. *men*-). For another example of assimilation *nl > ll, cf. Númellótë Flower of the West in UT:227; this is transparently númen west + lótë flower. The pronoun #me us is obviously related to the ending -mme we (in firuvamme) and the independent emphatic pronoun emme we.
anta, verb give. This word occurs already in the Qenya Lexicon (QL:31) as well as in some "Qenya" poems from the early thirties (MC:215, 221). However, this is our first attestation of this verb in an actual text that is more or less "mature" Quenya, though in the meantime this word had also appeared in the Etymologies. There it was derived from a stem ana1- (LR:348), defined to, towards and suggested to be a stemvowel-prefixed form of the prepositional element na1- of similar meaning (LR:374). The word quoted as the ancestral form of Quenya anta- is anta- to present, give; this would seem to indicate that this primitive verb was simply unchanged in Quenya. However, since Primitive Quendian short -a was lost at the Common Eldarin stage, we must assume that the oldest form was rather *antâ- with a long final vowel. The primitive verbal ending -tâ is well attested, sometimes with a causative meaning (again, see under tulya regarding primitive tultâ-). Since the meaning of the primitive stem itself has nothing to do with verbs but is prepositional or adverbial, -tâ here literally functions as a verb-former, and the original, basic meaning of *antâ- must be *bring (something) towards (someone else), hence present and then give.