Where does “revelaturus” come from?

revelaturus (Latin) comes from Latin revēlō, from Latin vēlō, from Latin -ō, from Proto-Indo-European -ō — Derives nouns from roots.

Definitions

Step	Language	Word	Meaning
1	Latin	revēlō	to show
2	Latin	vēlō	to cover, wrap, veil
3	Latin	-ō	suffixed to nouns or adjectives. Originally a-stem nouns. Later extended to nouns with other stems. Forms regular first-conjugation verbs
4	Proto-Indo-European	-ō	Derives nouns from roots