From achaqui + -osu.
- IPA(key): /at͡ʃaˈkosu/
- Rhymes: -osu
- Syllabification: a‧cha‧co‧su
achacosu (feminine achacosa, masculine plural achacosus, feminine plural achacosas)
- (Valverdeñu) sickly, ailing
- Valeš, Miroslav (2021) Diccionariu de A Fala: lagarteiru, mañegu, valverdeñu (web)[1], 2nd edition, Minde, Portugal: CIDLeS, published 2022, →ISBN