jet·pack 
(jĕtpăk′)
(jĕtpăk′)n.
A backpack powered by jets, used especially to enable an astronaut to maneuver independently during a spacewalk.
- Indo-European root: smei-
- Indo-European root: (s)mer-
- Indo-European root: (s)mer-
- Indo-European root: sneigwh-
- Indo-European root: (s)neəu-
- Indo-European root: snā-
- Indo-European root: (s)nāu-
- Indo-European root: (s)nē-
- Indo-European root: so-
- Indo-European root: sol-
- Indo-European root: spek-
- Indo-European root: (s)pen-
- Indo-European root: spend-
- Indo-European root: sper-
- Indo-European root: sperə-
- Indo-European root: spē-
- Indo-European root: sreu-
- Indo-European root: (s)teg-
- Indo-European root: stegh-
- Indo-European root: steig-
- Indo-European root: steigh-
- Indo-European root: stel-
- Indo-European root: (s)tenə-
- Indo-European root: ster-
- Indo-European root: ster-