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tono

Meaning

(conjugation-1) to thunder
(conjugation-1) to speak thunderously, make a loud, thundering noise
(conjugation-1) to resound like thunder

tronar

Pronounced as (IPA)

[ˈtɔ.noː]

From Proto-Italic *tonaō, from Proto-Indo-European *(s)tenh₂- (“to thunder”), replacing the likely earlier form tonere (“thunder”). One of few Latin verbs (as domō) only classed in the 1st conj. by the action of sound laws. Cognate with Old Norse Þórr (“Thor”), English thunder. PIE root likely related to Proto-Indo-European *(s)ten- (“to sigh, groan”), Ancient Greek στένω (sténō, “to moan, sigh, groan”), German stöhnen (“to groan, moan”), Russian стена́ть (stenátʹ, “to moan, groan”). Unrelated to Latin tonus (“stretching, tone”), a borrowing from Ancient Greek, from Proto-Indo-European *ten- (“to stretch”).