Where does “apto” come from?

apto (Portuguese) comes from Portuguese apartamento, from Italian appartamento, from Spanish apartamiento, from Spanish apartar, from Spanish -ar, from Old Spanish -ar, from Latin -ō, from Proto-Indo-European -ō — Derives nouns from roots.

apto (Portuguese): apt; someone who is apt to do something;...

Definitions

  1. apt; someone who is apt to do something;...

Ancestry of “apto”, step by step

apto traces back through two separate lines of ancestry.

via Portuguese apartamento

StepLanguageWordMeaning
1Portugueseapartamentoflat, apartment
2Italianappartamentoapartment, flat
3Spanishapartamientoseparation, seclusion; flat, apartment
4Spanishapartarto separate, to divide; to set aside; to avert
5Spanish-arIn adjectives, indicating membership or status;...
6Old Spanish-arindicates membership or status
7Latinsuffixed to nouns or adjectives. Originally a-stem nouns. Later extended to nouns with other stems. Forms regular first-conjugation verbs
8Proto-Indo-EuropeanDerives nouns from roots

via Latin aptus

StepLanguageWordMeaning
1Latinaptussuitable, adapted; ready; apt, proper
2Proto-Italicaptos

Words derived from “apto

Every word from Proto-Indo-European