Romanian acest

← Catalan aquest (cognate)

← Old French cest (cognate)

← Italian questo (cognate)

← Latin [[eccum]] [[istum]] (inherited)

← Latin iste (mention)

← Romansch quest (cognate)

→ Friulian chest (cognate)

→ Romanian această (mention)

→ Aromanian aestu (cognate)

→ Sardinian custu (cognate)