The source also includes تَبَخْتُر and تَبَرْقُع within this pattern:
تَبَخْتَرَ — تَبَخْتُرًا — walking with a proud sway.
تَبَرْقَعَ — تَبَرْقُعًا — putting on a face veil or covering.
Their roots are b-kh-t-r and b-r-q-ʿ. The initial tāʾ is formative, while the remaining four letters are the root consonants. Their verbal nouns follow تَفَعْلُل like تَسَرْبُل.
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Other maṣdars of tafaʿlul
The Four Unaugmented and Augmented Quadriliteral Patterns
The source also includes تَبَخْتُر and تَبَرْقُع within this pattern:
تَبَخْتَرَ — تَبَخْتُرًا — walking with a proud sway.
تَبَرْقَعَ — تَبَرْقُعًا — putting on a face veil or covering.
Their roots are b-kh-t-r and b-r-q-ʿ. The initial tāʾ is formative, while the remaining four letters are the root consonants. Their verbal nouns follow تَفَعْلُل like تَسَرْبُل.