Definition of adsum in English:

adsum

exclamation

rare
  • ‘I am here’ (used to indicate the speaker is present). Hence as noun: this statement as an answer in a roll-call, etc.

Origin

Late 16th century; earliest use found in Taming of a Shrew. From classical Latin adsum, 1st singular present indicative of adesse to be present.

Pronunciation:

adsum

/ˈadsʊm//ˈadsʌm/