An Etymological Dictionary of Astronomy and Astrophysics

Of a → molecular cloud, being composed of → clumps.

Etymology (EN): Clumpy, from → clump + -y suffix meaning “full of or characterized by,” from O.E. -ig, from P.Gmc. *-iga, akin to Gk. -ikos, L. -icus,
→ -ics.

Etymology (PE): Gudedâr, from gudé, → clump, + dâr “having, possessor,” from dâštan “to have, to possess,” O.Pers./Av. root dar- “to hold, keep back, maitain, keep in mind,” Skt. dhr-, dharma- “law,”
Gk. thronos “elevated seat, throne,” L. firmus “firm, stable,” Lith. daryti “to make,” PIE *dher- “to hold, support.”