Words with Suffix “--в-ав-ших-ся” in Russian

The word благоустраивавшихся is divided into nine syllables based on the Sonority Sequencing Principle, Maximum Onset Principle, and vowel-initial syllable rules. The primary stress falls on the sixth syllable, 'ва'. It's a past active participle derived from the verb 'устраивать' with a prefix 'благо-' and multiple suffixes indicating tense, gender, number, and reflexivity.