Buddha Abhidhamma - Ultimate Science - BuddhaNet

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of kàya-lahutà, suppressing the heaviness of the citta is the chief
characteristic of citta-lahutà. It is the laying down of a heavy
burden.
Kàya-lahutà and citta-lahutà are opposed to thina and middha
(sloth and torpor) which cause heaviness and rigidity in mental
concomitants and consciousness.
12 & 13 Kàya-Mudutà and Citta-Mudutà
These two cetasikas refer to the elasticity of mental concomitants
and the elasticity of consciousness, respectively. They remove
the stiffness in mind caused by immoral cetasikas such as diññhi
(false view) and màna (conceit).
Mudutà is compared to a skin that is pliable because it has
been well moulded by applying oil, water, etc. Mudutà is opposed
to false view and conceit.
14 & 15 Kàya-kamma¤¤atà and Citta-kamma¤¤atà
These two cetasikas refer to the adaptability of mental concomitants
and consciousness and the goodness in carrying out
their duty.
Their chief characteristic is the suppression of unserviceableness
or unworkableness of citta and its concomitants.
It is stated in Atthasàlini that these two cetasikas produce
serenity (pasàda) in propitious things, and are adaptable like
pure gold for beneficial works.
16 & 17 Kàya-pàgu¤¤atà and Citta-pàgu¤¤atà
They refer to the proficiency or skillfulness of mental concomitants
and consciousness in doing their work. Their chief
characteristic is the suppression of sickness in the mental
concomitants and in the consciousness.