Where does “situandus” come from?

situandus (Latin) comes from Latin situō, from Latin situs, from Latin -tus, from Proto-Italic -tus, from Proto-Indo-European -tus — Derives action nouns from verb roots.

Definitions

Ancestry of “situandus”, step by step

StepLanguageWordMeaning
1Latinsituōto place, situate, locate
2Latinsituspermitted, allowed, suffered, having been...
3Latin-tusForms the past participle of verbs; Forms...
4Proto-Italic-tus—
5Proto-Indo-European-tusDerives action nouns from verb roots
Every word from Proto-Indo-European -tus →Every word from Latin -tus →Every word from Latin situs →