macto

• (Classical Latin) IPA^(key): [ˈmak.toː]
• (modern Italianate Ecclesiastical) IPA^(key): [ˈmak.t̪o]

From mactus (“glorified, worshiped, honored, adored”) +‎ -ō.

mactō (present infinitive mactāre, perfect active mactāvī, supine mactātum); first conjugation

1. to reward, honor
2. to punish, trouble
3. to offer, sacrifice, immolate
   • 29 BCE – 19 BCE, Virgil, Aeneid 2.202:

     “[Lāocoōn] sollemnīs taurum ingentem mactābat ad ārās.”

     “[Laocoön] was sacrificing a massive bull at the solemn altars.” – Aeneas

4. (Medieval Latin) to break
5. (Medieval Latin) to kill

   Synonyms: caedō, concidō, consumō, deiciō, exanimō, interficiō, letō, mortificō, necō, occīdō

¹At least one use of the Old Latin "sigmatic future" and "sigmatic aorist" tenses is attested, which are used by Old Latin writers; most notably Plautus and Terence. The sigmatic future is generally ascribed a future or future perfect meaning, while the sigmatic aorist expresses a possible desire ("might want to").

Inflected forms of mactus.

mactō

1. dative/ablative masculine/neuter singular of mactus

• “macto”, in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
• “macto”, in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers
• macto in Gaffiot, Félix (1934) Dictionnaire illustré latin-français, Hachette.
• Carl Meißner, Henry William Auden (1894) Latin Phrase-Book‎^[1], London: Macmillan and Co.
  • to slaughter victims: victimas (oxen), hostias (smaller animals, especially sheep) immolare, securi ferire, caedere, mactare