ក្បៀសក្រោម

Noun a diacritic consisting of a vertical mark (ុ) written under a consonant, used in place of the diacritics ត្រីសព្ទ ( ៊) and មូសិកទន្ត ( ៉) if they clash with superscript vowels. It is identical to the dependent vowel ុ ([o], [u]). For example, ស៊ី is written instead of ស៊ + ី.