Portuguese acre

← Old English æcer (derived)

← English sharp (link)

← English acrid (link)

← English tart (link)

← English acre (borrowed)

← English acre (link)

← Middle English acre (derived)

← Middle English aker (mention)

← Proto-Germanic *akraz (derived)

← Proto-West Germanic *ak(k)r (derived)

← Proto-Indo-European *h₂ḱrós (derived)

← Proto-Indo-European *h₂éǵros (derived)

← Latin ācre (borrowed)

← Latin ācer (mention)

← Portuguese agre (doublet)

← Portuguese agro (mention)

← Portuguese ágrio (mention)

← Portuguese agre (alter)

← Portuguese agro (doublet)

→ Latin acer (link)

→ Portuguese agre (doublet)

→ Portuguese acroleína (affix)