Manasara 17.8

17.8

ṣaḍdāru pañcasandhiḥ syātpūgaparvaṃ praśasyate
saptadārubhiḥ ṣaṭsandhi devasandhimiti smṛtam

a six-timber [union] with five joints is praised as Pūgaparva; / with seven timbers [and] six joints, it is known as Devasandhi;